Home / 111,306.96-166,970.76-40,247.40

Finding the Fourth Proportional to 111,306.96, 166,970.76 and 40,247.40

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Solution

The fourth proportional to 111,306.96, 166,970.76 and 40,247.40 is: 60,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.96 : 166,970.76 = 40,247.40 : x
  2. Step 2: Convert to fraction form
    111,306.96/166,970.76 = 40,247.40/x
  3. Step 3: Cross multiply
    111,306.96x = 166,970.76 × 40,247.40
  4. Step 4: Simplify right side
    111,306.96x = 6,720,138,966.02
  5. Step 5: Solve for x
    x = 6,720,138,966.02/111,306.96
  6. Step 6: Final answer
    x = 60,374.83

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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.