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Finding the Fourth Proportional to 125,384.76, 188,068.10 and 58,840.02

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Solution

The fourth proportional to 125,384.76, 188,068.10 and 58,840.02 is: 88,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,384.76 : 188,068.10 = 58,840.02 : x
  2. Step 2: Convert to fraction form
    125,384.76/188,068.10 = 58,840.02/x
  3. Step 3: Cross multiply
    125,384.76x = 188,068.10 × 58,840.02
  4. Step 4: Simplify right side
    125,384.76x = 11,065,930,471.16
  5. Step 5: Solve for x
    x = 11,065,930,471.16/125,384.76
  6. Step 6: Final answer
    x = 88,255.79

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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.