Home / 185,638.30-278,489.04-73,259.71

Finding the Fourth Proportional to 185,638.30, 278,489.04 and 73,259.71

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Solution

The fourth proportional to 185,638.30, 278,489.04 and 73,259.71 is: 109,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,638.30 : 278,489.04 = 73,259.71 : x
  2. Step 2: Convert to fraction form
    185,638.30/278,489.04 = 73,259.71/x
  3. Step 3: Cross multiply
    185,638.30x = 278,489.04 × 73,259.71
  4. Step 4: Simplify right side
    185,638.30x = 20,402,026,308.58
  5. Step 5: Solve for x
    x = 20,402,026,308.58/185,638.30
  6. Step 6: Final answer
    x = 109,902.03

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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.