Home / 84,148.92-116,127.70-45,909.12

Finding the Fourth Proportional to 84,148.92, 116,127.70 and 45,909.12

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Solution

The fourth proportional to 84,148.92, 116,127.70 and 45,909.12 is: 63,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,148.92 : 116,127.70 = 45,909.12 : x
  2. Step 2: Convert to fraction form
    84,148.92/116,127.70 = 45,909.12/x
  3. Step 3: Cross multiply
    84,148.92x = 116,127.70 × 45,909.12
  4. Step 4: Simplify right side
    84,148.92x = 5,331,320,514.62
  5. Step 5: Solve for x
    x = 5,331,320,514.62/84,148.92
  6. Step 6: Final answer
    x = 63,355.78

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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.