Home / 90,752.64-136,167.93-31,556.04

Finding the Fourth Proportional to 90,752.64, 136,167.93 and 31,556.04

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Solution

The fourth proportional to 90,752.64, 136,167.93 and 31,556.04 is: 47,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.64 : 136,167.93 = 31,556.04 : x
  2. Step 2: Convert to fraction form
    90,752.64/136,167.93 = 31,556.04/x
  3. Step 3: Cross multiply
    90,752.64x = 136,167.93 × 31,556.04
  4. Step 4: Simplify right side
    90,752.64x = 4,296,920,645.80
  5. Step 5: Solve for x
    x = 4,296,920,645.80/90,752.64
  6. Step 6: Final answer
    x = 47,347.61

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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.