Home / 148,240.55-204,572.09-80,257.57

Finding the Fourth Proportional to 148,240.55, 204,572.09 and 80,257.57

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Solution

The fourth proportional to 148,240.55, 204,572.09 and 80,257.57 is: 110,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,240.55 : 204,572.09 = 80,257.57 : x
  2. Step 2: Convert to fraction form
    148,240.55/204,572.09 = 80,257.57/x
  3. Step 3: Cross multiply
    148,240.55x = 204,572.09 × 80,257.57
  4. Step 4: Simplify right side
    148,240.55x = 16,418,457,920.50
  5. Step 5: Solve for x
    x = 16,418,457,920.50/148,240.55
  6. Step 6: Final answer
    x = 110,755.52

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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.