Home / 252,485.10-348,436.72-139,315.14

Finding the Fourth Proportional to 252,485.10, 348,436.72 and 139,315.14

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Solution

The fourth proportional to 252,485.10, 348,436.72 and 139,315.14 is: 192,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,485.10 : 348,436.72 = 139,315.14 : x
  2. Step 2: Convert to fraction form
    252,485.10/348,436.72 = 139,315.14/x
  3. Step 3: Cross multiply
    252,485.10x = 348,436.72 × 139,315.14
  4. Step 4: Simplify right side
    252,485.10x = 48,542,508,685.76
  5. Step 5: Solve for x
    x = 48,542,508,685.76/252,485.10
  6. Step 6: Final answer
    x = 192,258.91

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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.