Home / 95,331.11-142,903.64-45,397.76

Finding the Fourth Proportional to 95,331.11, 142,903.64 and 45,397.76

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Solution

The fourth proportional to 95,331.11, 142,903.64 and 45,397.76 is: 68,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,331.11 : 142,903.64 = 45,397.76 : x
  2. Step 2: Convert to fraction form
    95,331.11/142,903.64 = 45,397.76/x
  3. Step 3: Cross multiply
    95,331.11x = 142,903.64 × 45,397.76
  4. Step 4: Simplify right side
    95,331.11x = 6,487,504,550.82
  5. Step 5: Solve for x
    x = 6,487,504,550.82/95,331.11
  6. Step 6: Final answer
    x = 68,052.34

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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.