Home / 132,381.20-182,689.52-75,810.80

Finding the Fourth Proportional to 132,381.20, 182,689.52 and 75,810.80

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Solution

The fourth proportional to 132,381.20, 182,689.52 and 75,810.80 is: 104,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,381.20 : 182,689.52 = 75,810.80 : x
  2. Step 2: Convert to fraction form
    132,381.20/182,689.52 = 75,810.80/x
  3. Step 3: Cross multiply
    132,381.20x = 182,689.52 × 75,810.80
  4. Step 4: Simplify right side
    132,381.20x = 13,849,838,662.82
  5. Step 5: Solve for x
    x = 13,849,838,662.82/132,381.20
  6. Step 6: Final answer
    x = 104,620.89

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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.