Home / 163,034.60-224,998.50-91,419.20

Finding the Fourth Proportional to 163,034.60, 224,998.50 and 91,419.20

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Solution

The fourth proportional to 163,034.60, 224,998.50 and 91,419.20 is: 126,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,034.60 : 224,998.50 = 91,419.20 : x
  2. Step 2: Convert to fraction form
    163,034.60/224,998.50 = 91,419.20/x
  3. Step 3: Cross multiply
    163,034.60x = 224,998.50 × 91,419.20
  4. Step 4: Simplify right side
    163,034.60x = 20,569,182,871.20
  5. Step 5: Solve for x
    x = 20,569,182,871.20/163,034.60
  6. Step 6: Final answer
    x = 126,164.53

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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.