Home / 115,222.90-172,834.35-36,343.28

Finding the Fourth Proportional to 115,222.90, 172,834.35 and 36,343.28

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Solution

The fourth proportional to 115,222.90, 172,834.35 and 36,343.28 is: 54,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,222.90 : 172,834.35 = 36,343.28 : x
  2. Step 2: Convert to fraction form
    115,222.90/172,834.35 = 36,343.28/x
  3. Step 3: Cross multiply
    115,222.90x = 172,834.35 × 36,343.28
  4. Step 4: Simplify right side
    115,222.90x = 6,281,367,175.67
  5. Step 5: Solve for x
    x = 6,281,367,175.67/115,222.90
  6. Step 6: Final answer
    x = 54,514.92

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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.