Home / 90,098.10-135,126.18-33,943.83

Finding the Fourth Proportional to 90,098.10, 135,126.18 and 33,943.83

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Solution

The fourth proportional to 90,098.10, 135,126.18 and 33,943.83 is: 50,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.10 : 135,126.18 = 33,943.83 : x
  2. Step 2: Convert to fraction form
    90,098.10/135,126.18 = 33,943.83/x
  3. Step 3: Cross multiply
    90,098.10x = 135,126.18 × 33,943.83
  4. Step 4: Simplify right side
    90,098.10x = 4,586,700,082.47
  5. Step 5: Solve for x
    x = 4,586,700,082.47/90,098.10
  6. Step 6: Final answer
    x = 50,907.84

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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.