Home / 132,500.68-182,790.63-78,755.16

Finding the Fourth Proportional to 132,500.68, 182,790.63 and 78,755.16

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Solution

The fourth proportional to 132,500.68, 182,790.63 and 78,755.16 is: 108,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,500.68 : 182,790.63 = 78,755.16 : x
  2. Step 2: Convert to fraction form
    132,500.68/182,790.63 = 78,755.16/x
  3. Step 3: Cross multiply
    132,500.68x = 182,790.63 × 78,755.16
  4. Step 4: Simplify right side
    132,500.68x = 14,395,705,312.15
  5. Step 5: Solve for x
    x = 14,395,705,312.15/132,500.68
  6. Step 6: Final answer
    x = 108,646.27

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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.