Home / 192,534.30-288,412.65-109,331.10

Finding the Fourth Proportional to 192,534.30, 288,412.65 and 109,331.10

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Solution

The fourth proportional to 192,534.30, 288,412.65 and 109,331.10 is: 163,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,534.30 : 288,412.65 = 109,331.10 : x
  2. Step 2: Convert to fraction form
    192,534.30/288,412.65 = 109,331.10/x
  3. Step 3: Cross multiply
    192,534.30x = 288,412.65 × 109,331.10
  4. Step 4: Simplify right side
    192,534.30x = 31,532,472,278.42
  5. Step 5: Solve for x
    x = 31,532,472,278.42/192,534.30
  6. Step 6: Final answer
    x = 163,775.87

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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.