Home / 135,432.16-203,279.28-65,360.80

Finding the Fourth Proportional to 135,432.16, 203,279.28 and 65,360.80

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Solution

The fourth proportional to 135,432.16, 203,279.28 and 65,360.80 is: 98,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432.16 : 203,279.28 = 65,360.80 : x
  2. Step 2: Convert to fraction form
    135,432.16/203,279.28 = 65,360.80/x
  3. Step 3: Cross multiply
    135,432.16x = 203,279.28 × 65,360.80
  4. Step 4: Simplify right side
    135,432.16x = 13,286,496,364.22
  5. Step 5: Solve for x
    x = 13,286,496,364.22/135,432.16
  6. Step 6: Final answer
    x = 98,104.44

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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.