Home / 372,945.20-559,417.80-106,721.60

Finding the Fourth Proportional to 372,945.20, 559,417.80 and 106,721.60

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Solution

The fourth proportional to 372,945.20, 559,417.80 and 106,721.60 is: 160,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,945.20 : 559,417.80 = 106,721.60 : x
  2. Step 2: Convert to fraction form
    372,945.20/559,417.80 = 106,721.60/x
  3. Step 3: Cross multiply
    372,945.20x = 559,417.80 × 106,721.60
  4. Step 4: Simplify right side
    372,945.20x = 59,701,962,684.48
  5. Step 5: Solve for x
    x = 59,701,962,684.48/372,945.20
  6. Step 6: Final answer
    x = 160,082.40

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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.