Home / 163,134.96-225,116.28-91,501.68

Finding the Fourth Proportional to 163,134.96, 225,116.28 and 91,501.68

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Solution

The fourth proportional to 163,134.96, 225,116.28 and 91,501.68 is: 126,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,134.96 : 225,116.28 = 91,501.68 : x
  2. Step 2: Convert to fraction form
    163,134.96/225,116.28 = 91,501.68/x
  3. Step 3: Cross multiply
    163,134.96x = 225,116.28 × 91,501.68
  4. Step 4: Simplify right side
    163,134.96x = 20,598,517,815.35
  5. Step 5: Solve for x
    x = 20,598,517,815.35/163,134.96
  6. Step 6: Final answer
    x = 126,266.73

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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.