Home / 99,468.09-137,267.73-54,147.39

Finding the Fourth Proportional to 99,468.09, 137,267.73 and 54,147.39

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Solution

The fourth proportional to 99,468.09, 137,267.73 and 54,147.39 is: 74,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.09 : 137,267.73 = 54,147.39 : x
  2. Step 2: Convert to fraction form
    99,468.09/137,267.73 = 54,147.39/x
  3. Step 3: Cross multiply
    99,468.09x = 137,267.73 × 54,147.39
  4. Step 4: Simplify right side
    99,468.09x = 7,432,689,310.72
  5. Step 5: Solve for x
    x = 7,432,689,310.72/99,468.09
  6. Step 6: Final answer
    x = 74,724.36

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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.