Home / 218,575.28-301,630.92-123,083.12

Finding the Fourth Proportional to 218,575.28, 301,630.92 and 123,083.12

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Solution

The fourth proportional to 218,575.28, 301,630.92 and 123,083.12 is: 169,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,575.28 : 301,630.92 = 123,083.12 : x
  2. Step 2: Convert to fraction form
    218,575.28/301,630.92 = 123,083.12/x
  3. Step 3: Cross multiply
    218,575.28x = 301,630.92 × 123,083.12
  4. Step 4: Simplify right side
    218,575.28x = 37,125,674,722.07
  5. Step 5: Solve for x
    x = 37,125,674,722.07/218,575.28
  6. Step 6: Final answer
    x = 169,853.04

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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.