Home / 132,252.40-182,503.28-71,821.76

Finding the Fourth Proportional to 132,252.40, 182,503.28 and 71,821.76

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Solution

The fourth proportional to 132,252.40, 182,503.28 and 71,821.76 is: 99,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,252.40 : 182,503.28 = 71,821.76 : x
  2. Step 2: Convert to fraction form
    132,252.40/182,503.28 = 71,821.76/x
  3. Step 3: Cross multiply
    132,252.40x = 182,503.28 × 71,821.76
  4. Step 4: Simplify right side
    132,252.40x = 13,107,706,775.37
  5. Step 5: Solve for x
    x = 13,107,706,775.37/132,252.40
  6. Step 6: Final answer
    x = 99,111.30

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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.