Home / 132,339.02-182,607.29-78,622.65

Finding the Fourth Proportional to 132,339.02, 182,607.29 and 78,622.65

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Solution

The fourth proportional to 132,339.02, 182,607.29 and 78,622.65 is: 108,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.02 : 182,607.29 = 78,622.65 : x
  2. Step 2: Convert to fraction form
    132,339.02/182,607.29 = 78,622.65/x
  3. Step 3: Cross multiply
    132,339.02x = 182,607.29 × 78,622.65
  4. Step 4: Simplify right side
    132,339.02x = 14,357,068,656.01
  5. Step 5: Solve for x
    x = 14,357,068,656.01/132,339.02
  6. Step 6: Final answer
    x = 108,487.04

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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.