Home / 96,131.50-143,996.17-77,309.62

Finding the Fourth Proportional to 96,131.50, 143,996.17 and 77,309.62

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Solution

The fourth proportional to 96,131.50, 143,996.17 and 77,309.62 is: 115,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,131.50 : 143,996.17 = 77,309.62 : x
  2. Step 2: Convert to fraction form
    96,131.50/143,996.17 = 77,309.62/x
  3. Step 3: Cross multiply
    96,131.50x = 143,996.17 × 77,309.62
  4. Step 4: Simplify right side
    96,131.50x = 11,132,289,184.16
  5. Step 5: Solve for x
    x = 11,132,289,184.16/96,131.50
  6. Step 6: Final answer
    x = 115,802.72

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1.5x scale

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.