Home / 261,718.40-361,173.12-148,543.04

Finding the Fourth Proportional to 261,718.40, 361,173.12 and 148,543.04

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Solution

The fourth proportional to 261,718.40, 361,173.12 and 148,543.04 is: 204,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,718.40 : 361,173.12 = 148,543.04 : x
  2. Step 2: Convert to fraction form
    261,718.40/361,173.12 = 148,543.04/x
  3. Step 3: Cross multiply
    261,718.40x = 361,173.12 × 148,543.04
  4. Step 4: Simplify right side
    261,718.40x = 53,649,753,211.08
  5. Step 5: Solve for x
    x = 53,649,753,211.08/261,718.40
  6. Step 6: Final answer
    x = 204,990.38

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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.