Home / 102,002.72-153,003.87-27,122.88

Finding the Fourth Proportional to 102,002.72, 153,003.87 and 27,122.88

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Solution

The fourth proportional to 102,002.72, 153,003.87 and 27,122.88 is: 40,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.72 : 153,003.87 = 27,122.88 : x
  2. Step 2: Convert to fraction form
    102,002.72/153,003.87 = 27,122.88/x
  3. Step 3: Cross multiply
    102,002.72x = 153,003.87 × 27,122.88
  4. Step 4: Simplify right side
    102,002.72x = 4,149,905,605.55
  5. Step 5: Solve for x
    x = 4,149,905,605.55/102,002.72
  6. Step 6: Final answer
    x = 40,684.27

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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.