Home / 99,243.62-149,056.91-85,044.29

Finding the Fourth Proportional to 99,243.62, 149,056.91 and 85,044.29

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Solution

The fourth proportional to 99,243.62, 149,056.91 and 85,044.29 is: 127,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,243.62 : 149,056.91 = 85,044.29 : x
  2. Step 2: Convert to fraction form
    99,243.62/149,056.91 = 85,044.29/x
  3. Step 3: Cross multiply
    99,243.62x = 149,056.91 × 85,044.29
  4. Step 4: Simplify right side
    99,243.62x = 12,676,437,910.04
  5. Step 5: Solve for x
    x = 12,676,437,910.04/99,243.62
  6. Step 6: Final answer
    x = 127,730.51

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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.