Home / 166,881.28-230,287.80-98,975.20

Finding the Fourth Proportional to 166,881.28, 230,287.80 and 98,975.20

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Solution

The fourth proportional to 166,881.28, 230,287.80 and 98,975.20 is: 136,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,881.28 : 230,287.80 = 98,975.20 : x
  2. Step 2: Convert to fraction form
    166,881.28/230,287.80 = 98,975.20/x
  3. Step 3: Cross multiply
    166,881.28x = 230,287.80 × 98,975.20
  4. Step 4: Simplify right side
    166,881.28x = 22,792,781,062.56
  5. Step 5: Solve for x
    x = 22,792,781,062.56/166,881.28
  6. Step 6: Final answer
    x = 136,580.81

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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.