Home / 252,033.76-347,806.38-138,856.51

Finding the Fourth Proportional to 252,033.76, 347,806.38 and 138,856.51

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Solution

The fourth proportional to 252,033.76, 347,806.38 and 138,856.51 is: 191,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,033.76 : 347,806.38 = 138,856.51 : x
  2. Step 2: Convert to fraction form
    252,033.76/347,806.38 = 138,856.51/x
  3. Step 3: Cross multiply
    252,033.76x = 347,806.38 × 138,856.51
  4. Step 4: Simplify right side
    252,033.76x = 48,295,180,082.53
  5. Step 5: Solve for x
    x = 48,295,180,082.53/252,033.76
  6. Step 6: Final answer
    x = 191,621.87

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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.