Home / 78,164.04-107,864.88-44,171.76

Finding the Fourth Proportional to 78,164.04, 107,864.88 and 44,171.76

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Solution

The fourth proportional to 78,164.04, 107,864.88 and 44,171.76 is: 60,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,164.04 : 107,864.88 = 44,171.76 : x
  2. Step 2: Convert to fraction form
    78,164.04/107,864.88 = 44,171.76/x
  3. Step 3: Cross multiply
    78,164.04x = 107,864.88 × 44,171.76
  4. Step 4: Simplify right side
    78,164.04x = 4,764,581,591.79
  5. Step 5: Solve for x
    x = 4,764,581,591.79/78,164.04
  6. Step 6: Final answer
    x = 60,956.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.