Home / 252,151.74-347,971.02-138,974.49

Finding the Fourth Proportional to 252,151.74, 347,971.02 and 138,974.49

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Solution

The fourth proportional to 252,151.74, 347,971.02 and 138,974.49 is: 191,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,151.74 : 347,971.02 = 138,974.49 : x
  2. Step 2: Convert to fraction form
    252,151.74/347,971.02 = 138,974.49/x
  3. Step 3: Cross multiply
    252,151.74x = 347,971.02 × 138,974.49
  4. Step 4: Simplify right side
    252,151.74x = 48,359,095,039.28
  5. Step 5: Solve for x
    x = 48,359,095,039.28/252,151.74
  6. Step 6: Final answer
    x = 191,785.69

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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.