Home / 342,212.23-513,147.02-105,524.15

Finding the Fourth Proportional to 342,212.23, 513,147.02 and 105,524.15

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Solution

The fourth proportional to 342,212.23, 513,147.02 and 105,524.15 is: 158,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,212.23 : 513,147.02 = 105,524.15 : x
  2. Step 2: Convert to fraction form
    342,212.23/513,147.02 = 105,524.15/x
  3. Step 3: Cross multiply
    342,212.23x = 513,147.02 × 105,524.15
  4. Step 4: Simplify right side
    342,212.23x = 54,149,403,110.53
  5. Step 5: Solve for x
    x = 54,149,403,110.53/342,212.23
  6. Step 6: Final answer
    x = 158,233.40

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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.