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Finding the Fourth Proportional to 125,713.32, 188,445.41 and 59,034.08

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Solution

The fourth proportional to 125,713.32, 188,445.41 and 59,034.08 is: 88,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,713.32 : 188,445.41 = 59,034.08 : x
  2. Step 2: Convert to fraction form
    125,713.32/188,445.41 = 59,034.08/x
  3. Step 3: Cross multiply
    125,713.32x = 188,445.41 × 59,034.08
  4. Step 4: Simplify right side
    125,713.32x = 11,124,702,028.27
  5. Step 5: Solve for x
    x = 11,124,702,028.27/125,713.32
  6. Step 6: Final answer
    x = 88,492.63

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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.