Home / 90,900.50-136,371.40-27,726.27

Finding the Fourth Proportional to 90,900.50, 136,371.40 and 27,726.27

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Solution

The fourth proportional to 90,900.50, 136,371.40 and 27,726.27 is: 41,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,900.50 : 136,371.40 = 27,726.27 : x
  2. Step 2: Convert to fraction form
    90,900.50/136,371.40 = 27,726.27/x
  3. Step 3: Cross multiply
    90,900.50x = 136,371.40 × 27,726.27
  4. Step 4: Simplify right side
    90,900.50x = 3,781,069,675.97
  5. Step 5: Solve for x
    x = 3,781,069,675.97/90,900.50
  6. Step 6: Final answer
    x = 41,595.70

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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.