Home / 100,402.94-150,514.92-38,117.18

Finding the Fourth Proportional to 100,402.94, 150,514.92 and 38,117.18

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Solution

The fourth proportional to 100,402.94, 150,514.92 and 38,117.18 is: 57,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,402.94 : 150,514.92 = 38,117.18 : x
  2. Step 2: Convert to fraction form
    100,402.94/150,514.92 = 38,117.18/x
  3. Step 3: Cross multiply
    100,402.94x = 150,514.92 × 38,117.18
  4. Step 4: Simplify right side
    100,402.94x = 5,737,204,298.33
  5. Step 5: Solve for x
    x = 5,737,204,298.33/100,402.94
  6. Step 6: Final answer
    x = 57,141.80

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1.5x scale

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.