Home / 252,625.40-348,620.34-139,445.72

Finding the Fourth Proportional to 252,625.40, 348,620.34 and 139,445.72

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Solution

The fourth proportional to 252,625.40, 348,620.34 and 139,445.72 is: 192,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,625.40 : 348,620.34 = 139,445.72 : x
  2. Step 2: Convert to fraction form
    252,625.40/348,620.34 = 139,445.72/x
  3. Step 3: Cross multiply
    252,625.40x = 348,620.34 × 139,445.72
  4. Step 4: Simplify right side
    252,625.40x = 48,613,614,317.94
  5. Step 5: Solve for x
    x = 48,613,614,317.94/252,625.40
  6. Step 6: Final answer
    x = 192,433.60

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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.