Home / 134,876.20-202,314.30-90,524.20

Finding the Fourth Proportional to 134,876.20, 202,314.30 and 90,524.20

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Solution

The fourth proportional to 134,876.20, 202,314.30 and 90,524.20 is: 135,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.20 : 202,314.30 = 90,524.20 : x
  2. Step 2: Convert to fraction form
    134,876.20/202,314.30 = 90,524.20/x
  3. Step 3: Cross multiply
    134,876.20x = 202,314.30 × 90,524.20
  4. Step 4: Simplify right side
    134,876.20x = 18,314,340,156.06
  5. Step 5: Solve for x
    x = 18,314,340,156.06/134,876.20
  6. Step 6: Final answer
    x = 135,786.30

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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.