Home / 634,747.86-952,117.68-161,429.13

Finding the Fourth Proportional to 634,747.86, 952,117.68 and 161,429.13

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Solution

The fourth proportional to 634,747.86, 952,117.68 and 161,429.13 is: 242,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,747.86 : 952,117.68 = 161,429.13 : x
  2. Step 2: Convert to fraction form
    634,747.86/952,117.68 = 161,429.13/x
  3. Step 3: Cross multiply
    634,747.86x = 952,117.68 × 161,429.13
  4. Step 4: Simplify right side
    634,747.86x = 153,699,528,740.02
  5. Step 5: Solve for x
    x = 153,699,528,740.02/634,747.86
  6. Step 6: Final answer
    x = 242,142.65

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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.