Home / 90,131.13-135,186.37-23,577.68

Finding the Fourth Proportional to 90,131.13, 135,186.37 and 23,577.68

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Solution

The fourth proportional to 90,131.13, 135,186.37 and 23,577.68 is: 35,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,131.13 : 135,186.37 = 23,577.68 : x
  2. Step 2: Convert to fraction form
    90,131.13/135,186.37 = 23,577.68/x
  3. Step 3: Cross multiply
    90,131.13x = 135,186.37 × 23,577.68
  4. Step 4: Simplify right side
    90,131.13x = 3,187,381,251.24
  5. Step 5: Solve for x
    x = 3,187,381,251.24/90,131.13
  6. Step 6: Final answer
    x = 35,363.82

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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.