Home / 131,704.95-181,752.85-71,275.61

Finding the Fourth Proportional to 131,704.95, 181,752.85 and 71,275.61

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Solution

The fourth proportional to 131,704.95, 181,752.85 and 71,275.61 is: 98,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.95 : 181,752.85 = 71,275.61 : x
  2. Step 2: Convert to fraction form
    131,704.95/181,752.85 = 71,275.61/x
  3. Step 3: Cross multiply
    131,704.95x = 181,752.85 × 71,275.61
  4. Step 4: Simplify right side
    131,704.95x = 12,954,544,373.18
  5. Step 5: Solve for x
    x = 12,954,544,373.18/131,704.95
  6. Step 6: Final answer
    x = 98,360.35

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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.