Home / 136,279.04-204,452.72-80,166.08

Finding the Fourth Proportional to 136,279.04, 204,452.72 and 80,166.08

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Solution

The fourth proportional to 136,279.04, 204,452.72 and 80,166.08 is: 120,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,279.04 : 204,452.72 = 80,166.08 : x
  2. Step 2: Convert to fraction form
    136,279.04/204,452.72 = 80,166.08/x
  3. Step 3: Cross multiply
    136,279.04x = 204,452.72 × 80,166.08
  4. Step 4: Simplify right side
    136,279.04x = 16,390,173,107.74
  5. Step 5: Solve for x
    x = 16,390,173,107.74/136,279.04
  6. Step 6: Final answer
    x = 120,269.21

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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.