Home / 146,154.70-219,215.85-40,984.30

Finding the Fourth Proportional to 146,154.70, 219,215.85 and 40,984.30

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Solution

The fourth proportional to 146,154.70, 219,215.85 and 40,984.30 is: 61,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,154.70 : 219,215.85 = 40,984.30 : x
  2. Step 2: Convert to fraction form
    146,154.70/219,215.85 = 40,984.30/x
  3. Step 3: Cross multiply
    146,154.70x = 219,215.85 × 40,984.30
  4. Step 4: Simplify right side
    146,154.70x = 8,984,408,161.16
  5. Step 5: Solve for x
    x = 8,984,408,161.16/146,154.70
  6. Step 6: Final answer
    x = 61,471.91

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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.