Home / 72,123.04-108,194.80-22,207.29

Finding the Fourth Proportional to 72,123.04, 108,194.80 and 22,207.29

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Solution

The fourth proportional to 72,123.04, 108,194.80 and 22,207.29 is: 33,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,123.04 : 108,194.80 = 22,207.29 : x
  2. Step 2: Convert to fraction form
    72,123.04/108,194.80 = 22,207.29/x
  3. Step 3: Cross multiply
    72,123.04x = 108,194.80 × 22,207.29
  4. Step 4: Simplify right side
    72,123.04x = 2,402,713,300.09
  5. Step 5: Solve for x
    x = 2,402,713,300.09/72,123.04
  6. Step 6: Final answer
    x = 33,314.09

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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.