Home / 252,436.28-348,356.46-139,259

Finding the Fourth Proportional to 252,436.28, 348,356.46 and 139,259

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Solution

The fourth proportional to 252,436.28, 348,356.46 and 139,259 is: 192,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.28 : 348,356.46 = 139,259 : x
  2. Step 2: Convert to fraction form
    252,436.28/348,356.46 = 139,259/x
  3. Step 3: Cross multiply
    252,436.28x = 348,356.46 × 139,259
  4. Step 4: Simplify right side
    252,436.28x = 48,511,772,263.14
  5. Step 5: Solve for x
    x = 48,511,772,263.14/252,436.28
  6. Step 6: Final answer
    x = 192,174.33

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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.