Home / 89,339.72-134,001.25-30,175.90

Finding the Fourth Proportional to 89,339.72, 134,001.25 and 30,175.90

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Solution

The fourth proportional to 89,339.72, 134,001.25 and 30,175.90 is: 45,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.72 : 134,001.25 = 30,175.90 : x
  2. Step 2: Convert to fraction form
    89,339.72/134,001.25 = 30,175.90/x
  3. Step 3: Cross multiply
    89,339.72x = 134,001.25 × 30,175.90
  4. Step 4: Simplify right side
    89,339.72x = 4,043,607,909.43
  5. Step 5: Solve for x
    x = 4,043,607,909.43/89,339.72
  6. Step 6: Final answer
    x = 45,261.03

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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.