Home / 131,999.74-182,143.02-75,414.76

Finding the Fourth Proportional to 131,999.74, 182,143.02 and 75,414.76

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Solution

The fourth proportional to 131,999.74, 182,143.02 and 75,414.76 is: 104,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.74 : 182,143.02 = 75,414.76 : x
  2. Step 2: Convert to fraction form
    131,999.74/182,143.02 = 75,414.76/x
  3. Step 3: Cross multiply
    131,999.74x = 182,143.02 × 75,414.76
  4. Step 4: Simplify right side
    131,999.74x = 13,736,272,138.98
  5. Step 5: Solve for x
    x = 13,736,272,138.98/131,999.74
  6. Step 6: Final answer
    x = 104,062.87

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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.