Home / 90,292.28-135,412.29-27,109.85

Finding the Fourth Proportional to 90,292.28, 135,412.29 and 27,109.85

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Solution

The fourth proportional to 90,292.28, 135,412.29 and 27,109.85 is: 40,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,292.28 : 135,412.29 = 27,109.85 : x
  2. Step 2: Convert to fraction form
    90,292.28/135,412.29 = 27,109.85/x
  3. Step 3: Cross multiply
    90,292.28x = 135,412.29 × 27,109.85
  4. Step 4: Simplify right side
    90,292.28x = 3,671,006,193.00
  5. Step 5: Solve for x
    x = 3,671,006,193.00/90,292.28
  6. Step 6: Final answer
    x = 40,656.92

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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.