Home / 126,422.19-174,459.29-69,832.35

Finding the Fourth Proportional to 126,422.19, 174,459.29 and 69,832.35

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Solution

The fourth proportional to 126,422.19, 174,459.29 and 69,832.35 is: 96,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,422.19 : 174,459.29 = 69,832.35 : x
  2. Step 2: Convert to fraction form
    126,422.19/174,459.29 = 69,832.35/x
  3. Step 3: Cross multiply
    126,422.19x = 174,459.29 × 69,832.35
  4. Step 4: Simplify right side
    126,422.19x = 12,182,901,850.87
  5. Step 5: Solve for x
    x = 12,182,901,850.87/126,422.19
  6. Step 6: Final answer
    x = 96,366.80

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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.