Home / 248,819.20-373,228.80-91,160.80

Finding the Fourth Proportional to 248,819.20, 373,228.80 and 91,160.80

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Solution

The fourth proportional to 248,819.20, 373,228.80 and 91,160.80 is: 136,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,819.20 : 373,228.80 = 91,160.80 : x
  2. Step 2: Convert to fraction form
    248,819.20/373,228.80 = 91,160.80/x
  3. Step 3: Cross multiply
    248,819.20x = 373,228.80 × 91,160.80
  4. Step 4: Simplify right side
    248,819.20x = 34,023,835,991.04
  5. Step 5: Solve for x
    x = 34,023,835,991.04/248,819.20
  6. Step 6: Final answer
    x = 136,741.20

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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.