Home / 95,121.60-142,740.72-42,575.52

Finding the Fourth Proportional to 95,121.60, 142,740.72 and 42,575.52

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Solution

The fourth proportional to 95,121.60, 142,740.72 and 42,575.52 is: 63,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,121.60 : 142,740.72 = 42,575.52 : x
  2. Step 2: Convert to fraction form
    95,121.60/142,740.72 = 42,575.52/x
  3. Step 3: Cross multiply
    95,121.60x = 142,740.72 × 42,575.52
  4. Step 4: Simplify right side
    95,121.60x = 6,077,260,379.17
  5. Step 5: Solve for x
    x = 6,077,260,379.17/95,121.60
  6. Step 6: Final answer
    x = 63,889.38

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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.