Home / 252,000.54-347,761.35-138,825.18

Finding the Fourth Proportional to 252,000.54, 347,761.35 and 138,825.18

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Solution

The fourth proportional to 252,000.54, 347,761.35 and 138,825.18 is: 191,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000.54 : 347,761.35 = 138,825.18 : x
  2. Step 2: Convert to fraction form
    252,000.54/347,761.35 = 138,825.18/x
  3. Step 3: Cross multiply
    252,000.54x = 347,761.35 × 138,825.18
  4. Step 4: Simplify right side
    252,000.54x = 48,278,032,010.79
  5. Step 5: Solve for x
    x = 48,278,032,010.79/252,000.54
  6. Step 6: Final answer
    x = 191,579.08

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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.