Home / 261,214.67-391,535.17-134,864.39

Finding the Fourth Proportional to 261,214.67, 391,535.17 and 134,864.39

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Solution

The fourth proportional to 261,214.67, 391,535.17 and 134,864.39 is: 202,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,214.67 : 391,535.17 = 134,864.39 : x
  2. Step 2: Convert to fraction form
    261,214.67/391,535.17 = 134,864.39/x
  3. Step 3: Cross multiply
    261,214.67x = 391,535.17 × 134,864.39
  4. Step 4: Simplify right side
    261,214.67x = 52,804,152,507.27
  5. Step 5: Solve for x
    x = 52,804,152,507.27/261,214.67
  6. Step 6: Final answer
    x = 202,148.49

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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.