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Finding the Fourth Proportional to 72,119.04, 108,188.80 and 22,203.29

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Solution

The fourth proportional to 72,119.04, 108,188.80 and 22,203.29 is: 33,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,119.04 : 108,188.80 = 22,203.29 : x
  2. Step 2: Convert to fraction form
    72,119.04/108,188.80 = 22,203.29/x
  3. Step 3: Cross multiply
    72,119.04x = 108,188.80 × 22,203.29
  4. Step 4: Simplify right side
    72,119.04x = 2,402,146,704.70
  5. Step 5: Solve for x
    x = 2,402,146,704.70/72,119.04
  6. Step 6: Final answer
    x = 33,308.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.