Home / 136,129.28-204,235.48-69,616.12

Finding the Fourth Proportional to 136,129.28, 204,235.48 and 69,616.12

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Solution

The fourth proportional to 136,129.28, 204,235.48 and 69,616.12 is: 104,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,129.28 : 204,235.48 = 69,616.12 : x
  2. Step 2: Convert to fraction form
    136,129.28/204,235.48 = 69,616.12/x
  3. Step 3: Cross multiply
    136,129.28x = 204,235.48 × 69,616.12
  4. Step 4: Simplify right side
    136,129.28x = 14,218,081,683.94
  5. Step 5: Solve for x
    x = 14,218,081,683.94/136,129.28
  6. Step 6: Final answer
    x = 104,445.43

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1.5x scale

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.