Home / 136,129.26-204,235.47-69,616.11

Finding the Fourth Proportional to 136,129.26, 204,235.47 and 69,616.11

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Solution

The fourth proportional to 136,129.26, 204,235.47 and 69,616.11 is: 104,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,129.26 : 204,235.47 = 69,616.11 : x
  2. Step 2: Convert to fraction form
    136,129.26/204,235.47 = 69,616.11/x
  3. Step 3: Cross multiply
    136,129.26x = 204,235.47 × 69,616.11
  4. Step 4: Simplify right side
    136,129.26x = 14,218,078,945.42
  5. Step 5: Solve for x
    x = 14,218,078,945.42/136,129.26
  6. Step 6: Final answer
    x = 104,445.43

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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.