Home / 634,748.86-952,119.18-161,430.13

Finding the Fourth Proportional to 634,748.86, 952,119.18 and 161,430.13

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Solution

The fourth proportional to 634,748.86, 952,119.18 and 161,430.13 is: 242,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,748.86 : 952,119.18 = 161,430.13 : x
  2. Step 2: Convert to fraction form
    634,748.86/952,119.18 = 161,430.13/x
  3. Step 3: Cross multiply
    634,748.86x = 952,119.18 × 161,430.13
  4. Step 4: Simplify right side
    634,748.86x = 153,700,723,002.89
  5. Step 5: Solve for x
    x = 153,700,723,002.89/634,748.86
  6. Step 6: Final answer
    x = 242,144.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.