Home / 90,410.01-135,596.46-34,230.78

Finding the Fourth Proportional to 90,410.01, 135,596.46 and 34,230.78

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Solution

The fourth proportional to 90,410.01, 135,596.46 and 34,230.78 is: 51,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.01 : 135,596.46 = 34,230.78 : x
  2. Step 2: Convert to fraction form
    90,410.01/135,596.46 = 34,230.78/x
  3. Step 3: Cross multiply
    90,410.01x = 135,596.46 × 34,230.78
  4. Step 4: Simplify right side
    90,410.01x = 4,641,572,591.04
  5. Step 5: Solve for x
    x = 4,641,572,591.04/90,410.01
  6. Step 6: Final answer
    x = 51,339.14

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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.