Home / 90,260.10-135,436.26-60,294.84

Finding the Fourth Proportional to 90,260.10, 135,436.26 and 60,294.84

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Solution

The fourth proportional to 90,260.10, 135,436.26 and 60,294.84 is: 90,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.10 : 135,436.26 = 60,294.84 : x
  2. Step 2: Convert to fraction form
    90,260.10/135,436.26 = 60,294.84/x
  3. Step 3: Cross multiply
    90,260.10x = 135,436.26 × 60,294.84
  4. Step 4: Simplify right side
    90,260.10x = 8,166,107,626.90
  5. Step 5: Solve for x
    x = 8,166,107,626.90/90,260.10
  6. Step 6: Final answer
    x = 90,473.06

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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.