Home / 214,948.91-321,931.62-102,708.02

Finding the Fourth Proportional to 214,948.91, 321,931.62 and 102,708.02

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Solution

The fourth proportional to 214,948.91, 321,931.62 and 102,708.02 is: 153,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.91 : 321,931.62 = 102,708.02 : x
  2. Step 2: Convert to fraction form
    214,948.91/321,931.62 = 102,708.02/x
  3. Step 3: Cross multiply
    214,948.91x = 321,931.62 × 102,708.02
  4. Step 4: Simplify right side
    214,948.91x = 33,064,957,655.93
  5. Step 5: Solve for x
    x = 33,064,957,655.93/214,948.91
  6. Step 6: Final answer
    x = 153,827.06

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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.