Home / 146,420.20-219,630.30-41,237.80

Finding the Fourth Proportional to 146,420.20, 219,630.30 and 41,237.80

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Solution

The fourth proportional to 146,420.20, 219,630.30 and 41,237.80 is: 61,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420.20 : 219,630.30 = 41,237.80 : x
  2. Step 2: Convert to fraction form
    146,420.20/219,630.30 = 41,237.80/x
  3. Step 3: Cross multiply
    146,420.20x = 219,630.30 × 41,237.80
  4. Step 4: Simplify right side
    146,420.20x = 9,057,070,385.34
  5. Step 5: Solve for x
    x = 9,057,070,385.34/146,420.20
  6. Step 6: Final answer
    x = 61,856.70

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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.