Home / 262,123.20-392,925.60-104,140.80

Finding the Fourth Proportional to 262,123.20, 392,925.60 and 104,140.80

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Solution

The fourth proportional to 262,123.20, 392,925.60 and 104,140.80 is: 156,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,123.20 : 392,925.60 = 104,140.80 : x
  2. Step 2: Convert to fraction form
    262,123.20/392,925.60 = 104,140.80/x
  3. Step 3: Cross multiply
    262,123.20x = 392,925.60 × 104,140.80
  4. Step 4: Simplify right side
    262,123.20x = 40,919,586,324.48
  5. Step 5: Solve for x
    x = 40,919,586,324.48/262,123.20
  6. Step 6: Final answer
    x = 156,108.22

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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.