Home / 252,580.31-348,560.11-139,402.25

Finding the Fourth Proportional to 252,580.31, 348,560.11 and 139,402.25

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Solution

The fourth proportional to 252,580.31, 348,560.11 and 139,402.25 is: 192,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,580.31 : 348,560.11 = 139,402.25 : x
  2. Step 2: Convert to fraction form
    252,580.31/348,560.11 = 139,402.25/x
  3. Step 3: Cross multiply
    252,580.31x = 348,560.11 × 139,402.25
  4. Step 4: Simplify right side
    252,580.31x = 48,590,063,594.25
  5. Step 5: Solve for x
    x = 48,590,063,594.25/252,580.31
  6. Step 6: Final answer
    x = 192,374.71

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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.