Home / 199,439.24-275,327.72-154,015.24

Finding the Fourth Proportional to 199,439.24, 275,327.72 and 154,015.24

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Solution

The fourth proportional to 199,439.24, 275,327.72 and 154,015.24 is: 212,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,439.24 : 275,327.72 = 154,015.24 : x
  2. Step 2: Convert to fraction form
    199,439.24/275,327.72 = 154,015.24/x
  3. Step 3: Cross multiply
    199,439.24x = 275,327.72 × 154,015.24
  4. Step 4: Simplify right side
    199,439.24x = 42,404,664,874.45
  5. Step 5: Solve for x
    x = 42,404,664,874.45/199,439.24
  6. Step 6: Final answer
    x = 212,619.47

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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.