Home / 146,401.70-219,602.55-71,569.85

Finding the Fourth Proportional to 146,401.70, 219,602.55 and 71,569.85

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Solution

The fourth proportional to 146,401.70, 219,602.55 and 71,569.85 is: 107,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,401.70 : 219,602.55 = 71,569.85 : x
  2. Step 2: Convert to fraction form
    146,401.70/219,602.55 = 71,569.85/x
  3. Step 3: Cross multiply
    146,401.70x = 219,602.55 × 71,569.85
  4. Step 4: Simplify right side
    146,401.70x = 15,716,921,563.12
  5. Step 5: Solve for x
    x = 15,716,921,563.12/146,401.70
  6. Step 6: Final answer
    x = 107,354.78

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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.