Home / 250,089.38-345,123.35-136,912.13

Finding the Fourth Proportional to 250,089.38, 345,123.35 and 136,912.13

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Solution

The fourth proportional to 250,089.38, 345,123.35 and 136,912.13 is: 188,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,089.38 : 345,123.35 = 136,912.13 : x
  2. Step 2: Convert to fraction form
    250,089.38/345,123.35 = 136,912.13/x
  3. Step 3: Cross multiply
    250,089.38x = 345,123.35 × 136,912.13
  4. Step 4: Simplify right side
    250,089.38x = 47,251,572,961.24
  5. Step 5: Solve for x
    x = 47,251,572,961.24/250,089.38
  6. Step 6: Final answer
    x = 188,938.74

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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.