Home / 132,284.88-182,555.19-71,856.72

Finding the Fourth Proportional to 132,284.88, 182,555.19 and 71,856.72

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Solution

The fourth proportional to 132,284.88, 182,555.19 and 71,856.72 is: 99,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,284.88 : 182,555.19 = 71,856.72 : x
  2. Step 2: Convert to fraction form
    132,284.88/182,555.19 = 71,856.72/x
  3. Step 3: Cross multiply
    132,284.88x = 182,555.19 × 71,856.72
  4. Step 4: Simplify right side
    132,284.88x = 13,117,817,172.38
  5. Step 5: Solve for x
    x = 13,117,817,172.38/132,284.88
  6. Step 6: Final answer
    x = 99,163.39

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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.