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Finding the Fourth Proportional to 125,514.94, 173,064.28 and 93,628.48

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Solution

The fourth proportional to 125,514.94, 173,064.28 and 93,628.48 is: 129,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.94 : 173,064.28 = 93,628.48 : x
  2. Step 2: Convert to fraction form
    125,514.94/173,064.28 = 93,628.48/x
  3. Step 3: Cross multiply
    125,514.94x = 173,064.28 × 93,628.48
  4. Step 4: Simplify right side
    125,514.94x = 16,203,745,478.69
  5. Step 5: Solve for x
    x = 16,203,745,478.69/125,514.94
  6. Step 6: Final answer
    x = 129,098.14

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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.