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Finding the Fourth Proportional to 181,352.14, 250,188.31 and 113,250.90

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Solution

The fourth proportional to 181,352.14, 250,188.31 and 113,250.90 is: 156,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,352.14 : 250,188.31 = 113,250.90 : x
  2. Step 2: Convert to fraction form
    181,352.14/250,188.31 = 113,250.90/x
  3. Step 3: Cross multiply
    181,352.14x = 250,188.31 × 113,250.90
  4. Step 4: Simplify right side
    181,352.14x = 28,334,051,276.98
  5. Step 5: Solve for x
    x = 28,334,051,276.98/181,352.14
  6. Step 6: Final answer
    x = 156,237.76

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1.5x scale

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.