Home / 75,086.15-112,627.89-18,925.00

Finding the Fourth Proportional to 75,086.15, 112,627.89 and 18,925.00

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Solution

The fourth proportional to 75,086.15, 112,627.89 and 18,925.00 is: 28,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.15 : 112,627.89 = 18,925.00 : x
  2. Step 2: Convert to fraction form
    75,086.15/112,627.89 = 18,925.00/x
  3. Step 3: Cross multiply
    75,086.15x = 112,627.89 × 18,925.00
  4. Step 4: Simplify right side
    75,086.15x = 2,131,482,536.68
  5. Step 5: Solve for x
    x = 2,131,482,536.68/75,086.15
  6. Step 6: Final answer
    x = 28,387.16

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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.