Home / 132,320.25-182,601.95-72,704.25

Finding the Fourth Proportional to 132,320.25, 182,601.95 and 72,704.25

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Solution

The fourth proportional to 132,320.25, 182,601.95 and 72,704.25 is: 100,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.25 : 182,601.95 = 72,704.25 : x
  2. Step 2: Convert to fraction form
    132,320.25/182,601.95 = 72,704.25/x
  3. Step 3: Cross multiply
    132,320.25x = 182,601.95 × 72,704.25
  4. Step 4: Simplify right side
    132,320.25x = 13,275,937,459.77
  5. Step 5: Solve for x
    x = 13,275,937,459.77/132,320.25
  6. Step 6: Final answer
    x = 100,331.87

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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.