Home / 90,127.32-135,209.97-26,952.36

Finding the Fourth Proportional to 90,127.32, 135,209.97 and 26,952.36

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Solution

The fourth proportional to 90,127.32, 135,209.97 and 26,952.36 is: 40,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127.32 : 135,209.97 = 26,952.36 : x
  2. Step 2: Convert to fraction form
    90,127.32/135,209.97 = 26,952.36/x
  3. Step 3: Cross multiply
    90,127.32x = 135,209.97 × 26,952.36
  4. Step 4: Simplify right side
    90,127.32x = 3,644,227,787.03
  5. Step 5: Solve for x
    x = 3,644,227,787.03/90,127.32
  6. Step 6: Final answer
    x = 40,434.22

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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.