Home / 195,743.89-270,145.53-109,717.49

Finding the Fourth Proportional to 195,743.89, 270,145.53 and 109,717.49

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Solution

The fourth proportional to 195,743.89, 270,145.53 and 109,717.49 is: 151,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,743.89 : 270,145.53 = 109,717.49 : x
  2. Step 2: Convert to fraction form
    195,743.89/270,145.53 = 109,717.49/x
  3. Step 3: Cross multiply
    195,743.89x = 270,145.53 × 109,717.49
  4. Step 4: Simplify right side
    195,743.89x = 29,639,688,642.11
  5. Step 5: Solve for x
    x = 29,639,688,642.11/195,743.89
  6. Step 6: Final answer
    x = 151,420.76

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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.