Home / 218,189.24-301,102.97-122,695.10

Finding the Fourth Proportional to 218,189.24, 301,102.97 and 122,695.10

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Solution

The fourth proportional to 218,189.24, 301,102.97 and 122,695.10 is: 169,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,189.24 : 301,102.97 = 122,695.10 : x
  2. Step 2: Convert to fraction form
    218,189.24/301,102.97 = 122,695.10/x
  3. Step 3: Cross multiply
    218,189.24x = 301,102.97 × 122,695.10
  4. Step 4: Simplify right side
    218,189.24x = 36,943,856,895.46
  5. Step 5: Solve for x
    x = 36,943,856,895.46/218,189.24
  6. Step 6: Final answer
    x = 169,320.25

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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.