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Finding the Fourth Proportional to 163,077.74, 225,071.88 and 99,452.45

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Solution

The fourth proportional to 163,077.74, 225,071.88 and 99,452.45 is: 137,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.74 : 225,071.88 = 99,452.45 : x
  2. Step 2: Convert to fraction form
    163,077.74/225,071.88 = 99,452.45/x
  3. Step 3: Cross multiply
    163,077.74x = 225,071.88 × 99,452.45
  4. Step 4: Simplify right side
    163,077.74x = 22,383,948,766.75
  5. Step 5: Solve for x
    x = 22,383,948,766.75/163,077.74
  6. Step 6: Final answer
    x = 137,259.38

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1.5x scale

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.