Home / 251,945.16-347,684.25-138,767.91

Finding the Fourth Proportional to 251,945.16, 347,684.25 and 138,767.91

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Solution

The fourth proportional to 251,945.16, 347,684.25 and 138,767.91 is: 191,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,945.16 : 347,684.25 = 138,767.91 : x
  2. Step 2: Convert to fraction form
    251,945.16/347,684.25 = 138,767.91/x
  3. Step 3: Cross multiply
    251,945.16x = 347,684.25 × 138,767.91
  4. Step 4: Simplify right side
    251,945.16x = 48,247,416,712.42
  5. Step 5: Solve for x
    x = 48,247,416,712.42/251,945.16
  6. Step 6: Final answer
    x = 191,499.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.