Home / 80,056.29-120,084.28-75,184.75

Finding the Fourth Proportional to 80,056.29, 120,084.28 and 75,184.75

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Solution

The fourth proportional to 80,056.29, 120,084.28 and 75,184.75 is: 112,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.29 : 120,084.28 = 75,184.75 : x
  2. Step 2: Convert to fraction form
    80,056.29/120,084.28 = 75,184.75/x
  3. Step 3: Cross multiply
    80,056.29x = 120,084.28 × 75,184.75
  4. Step 4: Simplify right side
    80,056.29x = 9,028,506,570.73
  5. Step 5: Solve for x
    x = 9,028,506,570.73/80,056.29
  6. Step 6: Final answer
    x = 112,776.98

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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.