Home / 132,317.28-182,626.72-81,373.84

Finding the Fourth Proportional to 132,317.28, 182,626.72 and 81,373.84

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Solution

The fourth proportional to 132,317.28, 182,626.72 and 81,373.84 is: 112,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.28 : 182,626.72 = 81,373.84 : x
  2. Step 2: Convert to fraction form
    132,317.28/182,626.72 = 81,373.84/x
  3. Step 3: Cross multiply
    132,317.28x = 182,626.72 × 81,373.84
  4. Step 4: Simplify right side
    132,317.28x = 14,861,036,833.00
  5. Step 5: Solve for x
    x = 14,861,036,833.00/132,317.28
  6. Step 6: Final answer
    x = 112,313.65

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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.