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Finding the Fourth Proportional to 125,696.60, 188,606.34 and 59,143.34

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Solution

The fourth proportional to 125,696.60, 188,606.34 and 59,143.34 is: 88,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,696.60 : 188,606.34 = 59,143.34 : x
  2. Step 2: Convert to fraction form
    125,696.60/188,606.34 = 59,143.34/x
  3. Step 3: Cross multiply
    125,696.60x = 188,606.34 × 59,143.34
  4. Step 4: Simplify right side
    125,696.60x = 11,154,808,892.78
  5. Step 5: Solve for x
    x = 11,154,808,892.78/125,696.60
  6. Step 6: Final answer
    x = 88,743.92

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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.