Home / 102,835.20-154,155.60-60,747.60

Finding the Fourth Proportional to 102,835.20, 154,155.60 and 60,747.60

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Solution

The fourth proportional to 102,835.20, 154,155.60 and 60,747.60 is: 91,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,835.20 : 154,155.60 = 60,747.60 : x
  2. Step 2: Convert to fraction form
    102,835.20/154,155.60 = 60,747.60/x
  3. Step 3: Cross multiply
    102,835.20x = 154,155.60 × 60,747.60
  4. Step 4: Simplify right side
    102,835.20x = 9,364,582,726.56
  5. Step 5: Solve for x
    x = 9,364,582,726.56/102,835.20
  6. Step 6: Final answer
    x = 91,063.98

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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.