Home / 195,953.28-270,386.88-115,333.44

Finding the Fourth Proportional to 195,953.28, 270,386.88 and 115,333.44

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Solution

The fourth proportional to 195,953.28, 270,386.88 and 115,333.44 is: 159,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,953.28 : 270,386.88 = 115,333.44 : x
  2. Step 2: Convert to fraction form
    195,953.28/270,386.88 = 115,333.44/x
  3. Step 3: Cross multiply
    195,953.28x = 270,386.88 × 115,333.44
  4. Step 4: Simplify right side
    195,953.28x = 31,184,649,001.27
  5. Step 5: Solve for x
    x = 31,184,649,001.27/195,953.28
  6. Step 6: Final answer
    x = 159,143.29

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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.