Home / 126,172.77-174,118.56-68,812.17

Finding the Fourth Proportional to 126,172.77, 174,118.56 and 68,812.17

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Solution

The fourth proportional to 126,172.77, 174,118.56 and 68,812.17 is: 94,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,172.77 : 174,118.56 = 68,812.17 : x
  2. Step 2: Convert to fraction form
    126,172.77/174,118.56 = 68,812.17/x
  3. Step 3: Cross multiply
    126,172.77x = 174,118.56 × 68,812.17
  4. Step 4: Simplify right side
    126,172.77x = 11,981,475,950.88
  5. Step 5: Solve for x
    x = 11,981,475,950.88/126,172.77
  6. Step 6: Final answer
    x = 94,960.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.