Home / 135,515.52-203,348.61-60,632.64

Finding the Fourth Proportional to 135,515.52, 203,348.61 and 60,632.64

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Solution

The fourth proportional to 135,515.52, 203,348.61 and 60,632.64 is: 90,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,515.52 : 203,348.61 = 60,632.64 : x
  2. Step 2: Convert to fraction form
    135,515.52/203,348.61 = 60,632.64/x
  3. Step 3: Cross multiply
    135,515.52x = 203,348.61 × 60,632.64
  4. Step 4: Simplify right side
    135,515.52x = 12,329,563,064.63
  5. Step 5: Solve for x
    x = 12,329,563,064.63/135,515.52
  6. Step 6: Final answer
    x = 90,982.66

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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.