Home / 126,133.28-174,065.28-68,772.13

Finding the Fourth Proportional to 126,133.28, 174,065.28 and 68,772.13

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Solution

The fourth proportional to 126,133.28, 174,065.28 and 68,772.13 is: 94,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.28 : 174,065.28 = 68,772.13 : x
  2. Step 2: Convert to fraction form
    126,133.28/174,065.28 = 68,772.13/x
  3. Step 3: Cross multiply
    126,133.28x = 174,065.28 × 68,772.13
  4. Step 4: Simplify right side
    126,133.28x = 11,970,840,064.65
  5. Step 5: Solve for x
    x = 11,970,840,064.65/126,133.28
  6. Step 6: Final answer
    x = 94,906.28

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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.