Home / 214,357.55-321,603.24-129,061.91

Finding the Fourth Proportional to 214,357.55, 321,603.24 and 129,061.91

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Solution

The fourth proportional to 214,357.55, 321,603.24 and 129,061.91 is: 193,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,357.55 : 321,603.24 = 129,061.91 : x
  2. Step 2: Convert to fraction form
    214,357.55/321,603.24 = 129,061.91/x
  3. Step 3: Cross multiply
    214,357.55x = 321,603.24 × 129,061.91
  4. Step 4: Simplify right side
    214,357.55x = 41,506,726,808.57
  5. Step 5: Solve for x
    x = 41,506,726,808.57/214,357.55
  6. Step 6: Final answer
    x = 193,633.15

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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.