Home / 111,024.20-166,244.70-87,501.80

Finding the Fourth Proportional to 111,024.20, 166,244.70 and 87,501.80

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Solution

The fourth proportional to 111,024.20, 166,244.70 and 87,501.80 is: 131,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024.20 : 166,244.70 = 87,501.80 : x
  2. Step 2: Convert to fraction form
    111,024.20/166,244.70 = 87,501.80/x
  3. Step 3: Cross multiply
    111,024.20x = 166,244.70 × 87,501.80
  4. Step 4: Simplify right side
    111,024.20x = 14,546,710,490.46
  5. Step 5: Solve for x
    x = 14,546,710,490.46/111,024.20
  6. Step 6: Final answer
    x = 131,022.88

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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.