Home / 668,081.10-1,002,121.65-169,445.10

Finding the Fourth Proportional to 668,081.10, 1,002,121.65 and 169,445.10

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Solution

The fourth proportional to 668,081.10, 1,002,121.65 and 169,445.10 is: 254,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,081.10 : 1,002,121.65 = 169,445.10 : x
  2. Step 2: Convert to fraction form
    668,081.10/1,002,121.65 = 169,445.10/x
  3. Step 3: Cross multiply
    668,081.10x = 1,002,121.65 × 169,445.10
  4. Step 4: Simplify right side
    668,081.10x = 169,804,603,196.42
  5. Step 5: Solve for x
    x = 169,804,603,196.42/668,081.10
  6. Step 6: Final answer
    x = 254,167.65

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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.