Home / 153,980.20-231,002.70-48,809.80

Finding the Fourth Proportional to 153,980.20, 231,002.70 and 48,809.80

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Solution

The fourth proportional to 153,980.20, 231,002.70 and 48,809.80 is: 73,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,980.20 : 231,002.70 = 48,809.80 : x
  2. Step 2: Convert to fraction form
    153,980.20/231,002.70 = 48,809.80/x
  3. Step 3: Cross multiply
    153,980.20x = 231,002.70 × 48,809.80
  4. Step 4: Simplify right side
    153,980.20x = 11,275,195,586.46
  5. Step 5: Solve for x
    x = 11,275,195,586.46/153,980.20
  6. Step 6: Final answer
    x = 73,224.97

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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.