Home / 104,862.18-144,648.55-74,200.85

Finding the Fourth Proportional to 104,862.18, 144,648.55 and 74,200.85

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Solution

The fourth proportional to 104,862.18, 144,648.55 and 74,200.85 is: 102,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,862.18 : 144,648.55 = 74,200.85 : x
  2. Step 2: Convert to fraction form
    104,862.18/144,648.55 = 74,200.85/x
  3. Step 3: Cross multiply
    104,862.18x = 144,648.55 × 74,200.85
  4. Step 4: Simplify right side
    104,862.18x = 10,733,045,361.27
  5. Step 5: Solve for x
    x = 10,733,045,361.27/104,862.18
  6. Step 6: Final answer
    x = 102,353.83

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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.