Home / 252,099.32-347,913.90-138,922.07

Finding the Fourth Proportional to 252,099.32, 347,913.90 and 138,922.07

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Solution

The fourth proportional to 252,099.32, 347,913.90 and 138,922.07 is: 191,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,099.32 : 347,913.90 = 138,922.07 : x
  2. Step 2: Convert to fraction form
    252,099.32/347,913.90 = 138,922.07/x
  3. Step 3: Cross multiply
    252,099.32x = 347,913.90 × 138,922.07
  4. Step 4: Simplify right side
    252,099.32x = 48,332,917,430.20
  5. Step 5: Solve for x
    x = 48,332,917,430.20/252,099.32
  6. Step 6: Final answer
    x = 191,721.73

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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.