Home / 187,641.30-258,908.61-107,066.82

Finding the Fourth Proportional to 187,641.30, 258,908.61 and 107,066.82

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Solution

The fourth proportional to 187,641.30, 258,908.61 and 107,066.82 is: 147,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,641.30 : 258,908.61 = 107,066.82 : x
  2. Step 2: Convert to fraction form
    187,641.30/258,908.61 = 107,066.82/x
  3. Step 3: Cross multiply
    187,641.30x = 258,908.61 × 107,066.82
  4. Step 4: Simplify right side
    187,641.30x = 27,720,521,543.32
  5. Step 5: Solve for x
    x = 27,720,521,543.32/187,641.30
  6. Step 6: Final answer
    x = 147,731.45

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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.