Home / 132,319.53-182,629.85-81,376.11

Finding the Fourth Proportional to 132,319.53, 182,629.85 and 81,376.11

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Solution

The fourth proportional to 132,319.53, 182,629.85 and 81,376.11 is: 112,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,319.53 : 182,629.85 = 81,376.11 : x
  2. Step 2: Convert to fraction form
    132,319.53/182,629.85 = 81,376.11/x
  3. Step 3: Cross multiply
    132,319.53x = 182,629.85 × 81,376.11
  4. Step 4: Simplify right side
    132,319.53x = 14,861,706,356.00
  5. Step 5: Solve for x
    x = 14,861,706,356.00/132,319.53
  6. Step 6: Final answer
    x = 112,316.80

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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.