Home / 145,546.08-218,436.80-75,445.44

Finding the Fourth Proportional to 145,546.08, 218,436.80 and 75,445.44

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Solution

The fourth proportional to 145,546.08, 218,436.80 and 75,445.44 is: 113,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546.08 : 218,436.80 = 75,445.44 : x
  2. Step 2: Convert to fraction form
    145,546.08/218,436.80 = 75,445.44/x
  3. Step 3: Cross multiply
    145,546.08x = 218,436.80 × 75,445.44
  4. Step 4: Simplify right side
    145,546.08x = 16,480,060,488.19
  5. Step 5: Solve for x
    x = 16,480,060,488.19/145,546.08
  6. Step 6: Final answer
    x = 113,229.16

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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.