Home / 214,513.17-296,036.13-129,613.81

Finding the Fourth Proportional to 214,513.17, 296,036.13 and 129,613.81

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Solution

The fourth proportional to 214,513.17, 296,036.13 and 129,613.81 is: 178,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,513.17 : 296,036.13 = 129,613.81 : x
  2. Step 2: Convert to fraction form
    214,513.17/296,036.13 = 129,613.81/x
  3. Step 3: Cross multiply
    214,513.17x = 296,036.13 × 129,613.81
  4. Step 4: Simplify right side
    214,513.17x = 38,370,370,706.96
  5. Step 5: Solve for x
    x = 38,370,370,706.96/214,513.17
  6. Step 6: Final answer
    x = 178,871.86

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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.