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Finding the Fourth Proportional to 90,127.47, 135,210.60 and 26,952.60

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Solution

The fourth proportional to 90,127.47, 135,210.60 and 26,952.60 is: 40,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127.47 : 135,210.60 = 26,952.60 : x
  2. Step 2: Convert to fraction form
    90,127.47/135,210.60 = 26,952.60/x
  3. Step 3: Cross multiply
    90,127.47x = 135,210.60 × 26,952.60
  4. Step 4: Simplify right side
    90,127.47x = 3,644,277,217.56
  5. Step 5: Solve for x
    x = 3,644,277,217.56/90,127.47
  6. Step 6: Final answer
    x = 40,434.70

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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.