Home / 145,845.20-218,767.80-110,853.20

Finding the Fourth Proportional to 145,845.20, 218,767.80 and 110,853.20

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Solution

The fourth proportional to 145,845.20, 218,767.80 and 110,853.20 is: 166,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.20 : 218,767.80 = 110,853.20 : x
  2. Step 2: Convert to fraction form
    145,845.20/218,767.80 = 110,853.20/x
  3. Step 3: Cross multiply
    145,845.20x = 218,767.80 × 110,853.20
  4. Step 4: Simplify right side
    145,845.20x = 24,251,110,686.96
  5. Step 5: Solve for x
    x = 24,251,110,686.96/145,845.20
  6. Step 6: Final answer
    x = 166,279.80

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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.