Home / 113,230.28-169,787.10-42,123.62

Finding the Fourth Proportional to 113,230.28, 169,787.10 and 42,123.62

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Solution

The fourth proportional to 113,230.28, 169,787.10 and 42,123.62 is: 63,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,230.28 : 169,787.10 = 42,123.62 : x
  2. Step 2: Convert to fraction form
    113,230.28/169,787.10 = 42,123.62/x
  3. Step 3: Cross multiply
    113,230.28x = 169,787.10 × 42,123.62
  4. Step 4: Simplify right side
    113,230.28x = 7,152,047,281.30
  5. Step 5: Solve for x
    x = 7,152,047,281.30/113,230.28
  6. Step 6: Final answer
    x = 63,163.73

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1.5x scale

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.