Home / 220,108.64-329,427.29-125,313.38

Finding the Fourth Proportional to 220,108.64, 329,427.29 and 125,313.38

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Solution

The fourth proportional to 220,108.64, 329,427.29 and 125,313.38 is: 187,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,108.64 : 329,427.29 = 125,313.38 : x
  2. Step 2: Convert to fraction form
    220,108.64/329,427.29 = 125,313.38/x
  3. Step 3: Cross multiply
    220,108.64x = 329,427.29 × 125,313.38
  4. Step 4: Simplify right side
    220,108.64x = 41,281,646,149.13
  5. Step 5: Solve for x
    x = 41,281,646,149.13/220,108.64
  6. Step 6: Final answer
    x = 187,551.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.