Home / 252,825.60-348,902.40-139,660.80

Finding the Fourth Proportional to 252,825.60, 348,902.40 and 139,660.80

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Solution

The fourth proportional to 252,825.60, 348,902.40 and 139,660.80 is: 192,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,825.60 : 348,902.40 = 139,660.80 : x
  2. Step 2: Convert to fraction form
    252,825.60/348,902.40 = 139,660.80/x
  3. Step 3: Cross multiply
    252,825.60x = 348,902.40 × 139,660.80
  4. Step 4: Simplify right side
    252,825.60x = 48,727,988,305.92
  5. Step 5: Solve for x
    x = 48,727,988,305.92/252,825.60
  6. Step 6: Final answer
    x = 192,733.60

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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.