Home / 102,926.43-142,037.55-57,603.89

Finding the Fourth Proportional to 102,926.43, 142,037.55 and 57,603.89

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Solution

The fourth proportional to 102,926.43, 142,037.55 and 57,603.89 is: 79,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,926.43 : 142,037.55 = 57,603.89 : x
  2. Step 2: Convert to fraction form
    102,926.43/142,037.55 = 57,603.89/x
  3. Step 3: Cross multiply
    102,926.43x = 142,037.55 × 57,603.89
  4. Step 4: Simplify right side
    102,926.43x = 8,181,915,761.16
  5. Step 5: Solve for x
    x = 8,181,915,761.16/102,926.43
  6. Step 6: Final answer
    x = 79,492.85

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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.