Home / 154,126.80-231,032.25-98,008.38

Finding the Fourth Proportional to 154,126.80, 231,032.25 and 98,008.38

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Solution

The fourth proportional to 154,126.80, 231,032.25 and 98,008.38 is: 146,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,126.80 : 231,032.25 = 98,008.38 : x
  2. Step 2: Convert to fraction form
    154,126.80/231,032.25 = 98,008.38/x
  3. Step 3: Cross multiply
    154,126.80x = 231,032.25 × 98,008.38
  4. Step 4: Simplify right side
    154,126.80x = 22,643,096,550.26
  5. Step 5: Solve for x
    x = 22,643,096,550.26/154,126.80
  6. Step 6: Final answer
    x = 146,912.13

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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.