Home / 261,911.06-361,439.80-148,734.62

Finding the Fourth Proportional to 261,911.06, 361,439.80 and 148,734.62

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Solution

The fourth proportional to 261,911.06, 361,439.80 and 148,734.62 is: 205,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,911.06 : 361,439.80 = 148,734.62 : x
  2. Step 2: Convert to fraction form
    261,911.06/361,439.80 = 148,734.62/x
  3. Step 3: Cross multiply
    261,911.06x = 361,439.80 × 148,734.62
  4. Step 4: Simplify right side
    261,911.06x = 53,758,611,305.88
  5. Step 5: Solve for x
    x = 53,758,611,305.88/261,911.06
  6. Step 6: Final answer
    x = 205,255.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.