Home / 155,131.40-232,005.90-130,248.20

Finding the Fourth Proportional to 155,131.40, 232,005.90 and 130,248.20

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Solution

The fourth proportional to 155,131.40, 232,005.90 and 130,248.20 is: 194,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,131.40 : 232,005.90 = 130,248.20 : x
  2. Step 2: Convert to fraction form
    155,131.40/232,005.90 = 130,248.20/x
  3. Step 3: Cross multiply
    155,131.40x = 232,005.90 × 130,248.20
  4. Step 4: Simplify right side
    155,131.40x = 30,218,350,864.38
  5. Step 5: Solve for x
    x = 30,218,350,864.38/155,131.40
  6. Step 6: Final answer
    x = 194,791.97

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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.