Home / 75,247.13-112,869.55-18,321.57

Finding the Fourth Proportional to 75,247.13, 112,869.55 and 18,321.57

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Solution

The fourth proportional to 75,247.13, 112,869.55 and 18,321.57 is: 27,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,247.13 : 112,869.55 = 18,321.57 : x
  2. Step 2: Convert to fraction form
    75,247.13/112,869.55 = 18,321.57/x
  3. Step 3: Cross multiply
    75,247.13x = 112,869.55 × 18,321.57
  4. Step 4: Simplify right side
    75,247.13x = 2,067,947,384.10
  5. Step 5: Solve for x
    x = 2,067,947,384.10/75,247.13
  6. Step 6: Final answer
    x = 27,482.08

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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.