Home / 126,726.71-174,921.81-73,047.61

Finding the Fourth Proportional to 126,726.71, 174,921.81 and 73,047.61

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Solution

The fourth proportional to 126,726.71, 174,921.81 and 73,047.61 is: 100,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726.71 : 174,921.81 = 73,047.61 : x
  2. Step 2: Convert to fraction form
    126,726.71/174,921.81 = 73,047.61/x
  3. Step 3: Cross multiply
    126,726.71x = 174,921.81 × 73,047.61
  4. Step 4: Simplify right side
    126,726.71x = 12,777,619,282.77
  5. Step 5: Solve for x
    x = 12,777,619,282.77/126,726.71
  6. Step 6: Final answer
    x = 100,828.15

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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.