Home / 143,382.60-197,867.34-79,716.60

Finding the Fourth Proportional to 143,382.60, 197,867.34 and 79,716.60

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Solution

The fourth proportional to 143,382.60, 197,867.34 and 79,716.60 is: 110,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,382.60 : 197,867.34 = 79,716.60 : x
  2. Step 2: Convert to fraction form
    143,382.60/197,867.34 = 79,716.60/x
  3. Step 3: Cross multiply
    143,382.60x = 197,867.34 × 79,716.60
  4. Step 4: Simplify right side
    143,382.60x = 15,773,311,595.84
  5. Step 5: Solve for x
    x = 15,773,311,595.84/143,382.60
  6. Step 6: Final answer
    x = 110,008.55

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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.