Home / 123,652.22-170,585.86-72,641.92

Finding the Fourth Proportional to 123,652.22, 170,585.86 and 72,641.92

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Solution

The fourth proportional to 123,652.22, 170,585.86 and 72,641.92 is: 100,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652.22 : 170,585.86 = 72,641.92 : x
  2. Step 2: Convert to fraction form
    123,652.22/170,585.86 = 72,641.92/x
  3. Step 3: Cross multiply
    123,652.22x = 170,585.86 × 72,641.92
  4. Step 4: Simplify right side
    123,652.22x = 12,391,684,395.25
  5. Step 5: Solve for x
    x = 12,391,684,395.25/123,652.22
  6. Step 6: Final answer
    x = 100,214.01

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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.