Home / 75,060.06-112,581.72-18,900.15

Finding the Fourth Proportional to 75,060.06, 112,581.72 and 18,900.15

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Solution

The fourth proportional to 75,060.06, 112,581.72 and 18,900.15 is: 28,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,060.06 : 112,581.72 = 18,900.15 : x
  2. Step 2: Convert to fraction form
    75,060.06/112,581.72 = 18,900.15/x
  3. Step 3: Cross multiply
    75,060.06x = 112,581.72 × 18,900.15
  4. Step 4: Simplify right side
    75,060.06x = 2,127,811,395.26
  5. Step 5: Solve for x
    x = 2,127,811,395.26/75,060.06
  6. Step 6: Final answer
    x = 28,348.12

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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.