Home / 199,327.65-275,138.81-118,780.44

Finding the Fourth Proportional to 199,327.65, 275,138.81 and 118,780.44

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Solution

The fourth proportional to 199,327.65, 275,138.81 and 118,780.44 is: 163,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,327.65 : 275,138.81 = 118,780.44 : x
  2. Step 2: Convert to fraction form
    199,327.65/275,138.81 = 118,780.44/x
  3. Step 3: Cross multiply
    199,327.65x = 275,138.81 × 118,780.44
  4. Step 4: Simplify right side
    199,327.65x = 32,681,108,912.88
  5. Step 5: Solve for x
    x = 32,681,108,912.88/199,327.65
  6. Step 6: Final answer
    x = 163,956.73

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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.