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Finding the Fourth Proportional to 199,854.78, 275,608.98 and 130,841.26

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Solution

The fourth proportional to 199,854.78, 275,608.98 and 130,841.26 is: 180,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,854.78 : 275,608.98 = 130,841.26 : x
  2. Step 2: Convert to fraction form
    199,854.78/275,608.98 = 130,841.26/x
  3. Step 3: Cross multiply
    199,854.78x = 275,608.98 × 130,841.26
  4. Step 4: Simplify right side
    199,854.78x = 36,061,025,521.49
  5. Step 5: Solve for x
    x = 36,061,025,521.49/199,854.78
  6. Step 6: Final answer
    x = 180,436.15

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1.5x scale

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.