Home / 126,282.56-174,264.84-69,693.20

Finding the Fourth Proportional to 126,282.56, 174,264.84 and 69,693.20

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Solution

The fourth proportional to 126,282.56, 174,264.84 and 69,693.20 is: 96,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,282.56 : 174,264.84 = 69,693.20 : x
  2. Step 2: Convert to fraction form
    126,282.56/174,264.84 = 69,693.20/x
  3. Step 3: Cross multiply
    126,282.56x = 174,264.84 × 69,693.20
  4. Step 4: Simplify right side
    126,282.56x = 12,145,074,347.09
  5. Step 5: Solve for x
    x = 12,145,074,347.09/126,282.56
  6. Step 6: Final answer
    x = 96,173.81

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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.