Home / 126,355.56-174,366.10-69,765.72

Finding the Fourth Proportional to 126,355.56, 174,366.10 and 69,765.72

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Solution

The fourth proportional to 126,355.56, 174,366.10 and 69,765.72 is: 96,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.56 : 174,366.10 = 69,765.72 : x
  2. Step 2: Convert to fraction form
    126,355.56/174,366.10 = 69,765.72/x
  3. Step 3: Cross multiply
    126,355.56x = 174,366.10 × 69,765.72
  4. Step 4: Simplify right side
    126,355.56x = 12,164,776,510.09
  5. Step 5: Solve for x
    x = 12,164,776,510.09/126,355.56
  6. Step 6: Final answer
    x = 96,274.17

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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.