Home / 109,332.60-164,008.02-80,114.04

Finding the Fourth Proportional to 109,332.60, 164,008.02 and 80,114.04

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Solution

The fourth proportional to 109,332.60, 164,008.02 and 80,114.04 is: 120,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,332.60 : 164,008.02 = 80,114.04 : x
  2. Step 2: Convert to fraction form
    109,332.60/164,008.02 = 80,114.04/x
  3. Step 3: Cross multiply
    109,332.60x = 164,008.02 × 80,114.04
  4. Step 4: Simplify right side
    109,332.60x = 13,139,345,074.60
  5. Step 5: Solve for x
    x = 13,139,345,074.60/109,332.60
  6. Step 6: Final answer
    x = 120,177.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.