Home / 115,769.46-173,653.20-90,490.24

Finding the Fourth Proportional to 115,769.46, 173,653.20 and 90,490.24

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Solution

The fourth proportional to 115,769.46, 173,653.20 and 90,490.24 is: 135,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,769.46 : 173,653.20 = 90,490.24 : x
  2. Step 2: Convert to fraction form
    115,769.46/173,653.20 = 90,490.24/x
  3. Step 3: Cross multiply
    115,769.46x = 173,653.20 × 90,490.24
  4. Step 4: Simplify right side
    115,769.46x = 15,713,919,744.77
  5. Step 5: Solve for x
    x = 15,713,919,744.77/115,769.46
  6. Step 6: Final answer
    x = 135,734.59

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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.