Home / 136,126.90-204,200.08-36,286.57

Finding the Fourth Proportional to 136,126.90, 204,200.08 and 36,286.57

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Solution

The fourth proportional to 136,126.90, 204,200.08 and 36,286.57 is: 54,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.90 : 204,200.08 = 36,286.57 : x
  2. Step 2: Convert to fraction form
    136,126.90/204,200.08 = 36,286.57/x
  3. Step 3: Cross multiply
    136,126.90x = 204,200.08 × 36,286.57
  4. Step 4: Simplify right side
    136,126.90x = 7,409,720,315.49
  5. Step 5: Solve for x
    x = 7,409,720,315.49/136,126.90
  6. Step 6: Final answer
    x = 54,432.45

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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.