Home / 218,839.20-302,247.21-147,094.66

Finding the Fourth Proportional to 218,839.20, 302,247.21 and 147,094.66

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Solution

The fourth proportional to 218,839.20, 302,247.21 and 147,094.66 is: 203,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,839.20 : 302,247.21 = 147,094.66 : x
  2. Step 2: Convert to fraction form
    218,839.20/302,247.21 = 147,094.66/x
  3. Step 3: Cross multiply
    218,839.20x = 302,247.21 × 147,094.66
  4. Step 4: Simplify right side
    218,839.20x = 44,458,950,983.82
  5. Step 5: Solve for x
    x = 44,458,950,983.82/218,839.20
  6. Step 6: Final answer
    x = 203,158.08

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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.