Home / 372,943.20-559,414.80-106,719.60

Finding the Fourth Proportional to 372,943.20, 559,414.80 and 106,719.60

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Solution

The fourth proportional to 372,943.20, 559,414.80 and 106,719.60 is: 160,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,943.20 : 559,414.80 = 106,719.60 : x
  2. Step 2: Convert to fraction form
    372,943.20/559,414.80 = 106,719.60/x
  3. Step 3: Cross multiply
    372,943.20x = 559,414.80 × 106,719.60
  4. Step 4: Simplify right side
    372,943.20x = 59,700,523,690.08
  5. Step 5: Solve for x
    x = 59,700,523,690.08/372,943.20
  6. Step 6: Final answer
    x = 160,079.40

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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.