Home / 132,318.28-182,628.10-81,374.84

Finding the Fourth Proportional to 132,318.28, 182,628.10 and 81,374.84

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Solution

The fourth proportional to 132,318.28, 182,628.10 and 81,374.84 is: 112,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.28 : 182,628.10 = 81,374.84 : x
  2. Step 2: Convert to fraction form
    132,318.28/182,628.10 = 81,374.84/x
  3. Step 3: Cross multiply
    132,318.28x = 182,628.10 × 81,374.84
  4. Step 4: Simplify right side
    132,318.28x = 14,861,332,417.00
  5. Step 5: Solve for x
    x = 14,861,332,417.00/132,318.28
  6. Step 6: Final answer
    x = 112,315.04

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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.