Home / 91,159.72-136,754.16-38,569.66

Finding the Fourth Proportional to 91,159.72, 136,754.16 and 38,569.66

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Solution

The fourth proportional to 91,159.72, 136,754.16 and 38,569.66 is: 57,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,159.72 : 136,754.16 = 38,569.66 : x
  2. Step 2: Convert to fraction form
    91,159.72/136,754.16 = 38,569.66/x
  3. Step 3: Cross multiply
    91,159.72x = 136,754.16 × 38,569.66
  4. Step 4: Simplify right side
    91,159.72x = 5,274,561,454.79
  5. Step 5: Solve for x
    x = 5,274,561,454.79/91,159.72
  6. Step 6: Final answer
    x = 57,860.66

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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.