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Finding the Fourth Proportional to 147,522.91, 203,581.25 and 80,454.91

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Solution

The fourth proportional to 147,522.91, 203,581.25 and 80,454.91 is: 111,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,522.91 : 203,581.25 = 80,454.91 : x
  2. Step 2: Convert to fraction form
    147,522.91/203,581.25 = 80,454.91/x
  3. Step 3: Cross multiply
    147,522.91x = 203,581.25 × 80,454.91
  4. Step 4: Simplify right side
    147,522.91x = 16,379,110,744.16
  5. Step 5: Solve for x
    x = 16,379,110,744.16/147,522.91
  6. Step 6: Final answer
    x = 111,027.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.