Home / 143,258.25-197,698.52-79,600.15

Finding the Fourth Proportional to 143,258.25, 197,698.52 and 79,600.15

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Solution

The fourth proportional to 143,258.25, 197,698.52 and 79,600.15 is: 109,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.25 : 197,698.52 = 79,600.15 : x
  2. Step 2: Convert to fraction form
    143,258.25/197,698.52 = 79,600.15/x
  3. Step 3: Cross multiply
    143,258.25x = 197,698.52 × 79,600.15
  4. Step 4: Simplify right side
    143,258.25x = 15,736,832,292.90
  5. Step 5: Solve for x
    x = 15,736,832,292.90/143,258.25
  6. Step 6: Final answer
    x = 109,849.39

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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.