Home / 252,200.93-348,032.77-137,480.56

Finding the Fourth Proportional to 252,200.93, 348,032.77 and 137,480.56

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Solution

The fourth proportional to 252,200.93, 348,032.77 and 137,480.56 is: 189,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,200.93 : 348,032.77 = 137,480.56 : x
  2. Step 2: Convert to fraction form
    252,200.93/348,032.77 = 137,480.56/x
  3. Step 3: Cross multiply
    252,200.93x = 348,032.77 × 137,480.56
  4. Step 4: Simplify right side
    252,200.93x = 47,847,738,904.17
  5. Step 5: Solve for x
    x = 47,847,738,904.17/252,200.93
  6. Step 6: Final answer
    x = 189,720.71

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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.