Home / 105,432.20-158,123.46-38,836.16

Finding the Fourth Proportional to 105,432.20, 158,123.46 and 38,836.16

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Solution

The fourth proportional to 105,432.20, 158,123.46 and 38,836.16 is: 58,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,432.20 : 158,123.46 = 38,836.16 : x
  2. Step 2: Convert to fraction form
    105,432.20/158,123.46 = 38,836.16/x
  3. Step 3: Cross multiply
    105,432.20x = 158,123.46 × 38,836.16
  4. Step 4: Simplify right side
    105,432.20x = 6,140,907,992.31
  5. Step 5: Solve for x
    x = 6,140,907,992.31/105,432.20
  6. Step 6: Final answer
    x = 58,245.09

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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.