Home / 75,285.15-112,926.42-18,359.55

Finding the Fourth Proportional to 75,285.15, 112,926.42 and 18,359.55

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Solution

The fourth proportional to 75,285.15, 112,926.42 and 18,359.55 is: 27,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285.15 : 112,926.42 = 18,359.55 : x
  2. Step 2: Convert to fraction form
    75,285.15/112,926.42 = 18,359.55/x
  3. Step 3: Cross multiply
    75,285.15x = 112,926.42 × 18,359.55
  4. Step 4: Simplify right side
    75,285.15x = 2,073,278,254.31
  5. Step 5: Solve for x
    x = 2,073,278,254.31/75,285.15
  6. Step 6: Final answer
    x = 27,539.01

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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.