Home / 99,372.48-137,147.27-56,367.54

Finding the Fourth Proportional to 99,372.48, 137,147.27 and 56,367.54

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Solution

The fourth proportional to 99,372.48, 137,147.27 and 56,367.54 is: 77,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,372.48 : 137,147.27 = 56,367.54 : x
  2. Step 2: Convert to fraction form
    99,372.48/137,147.27 = 56,367.54/x
  3. Step 3: Cross multiply
    99,372.48x = 137,147.27 × 56,367.54
  4. Step 4: Simplify right side
    99,372.48x = 7,730,654,227.62
  5. Step 5: Solve for x
    x = 7,730,654,227.62/99,372.48
  6. Step 6: Final answer
    x = 77,794.72

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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.