Home / 132,434.20-182,762.76-72,008.92

Finding the Fourth Proportional to 132,434.20, 182,762.76 and 72,008.92

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Solution

The fourth proportional to 132,434.20, 182,762.76 and 72,008.92 is: 99,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,434.20 : 182,762.76 = 72,008.92 : x
  2. Step 2: Convert to fraction form
    132,434.20/182,762.76 = 72,008.92/x
  3. Step 3: Cross multiply
    132,434.20x = 182,762.76 × 72,008.92
  4. Step 4: Simplify right side
    132,434.20x = 13,160,548,963.82
  5. Step 5: Solve for x
    x = 13,160,548,963.82/132,434.20
  6. Step 6: Final answer
    x = 99,374.25

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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.