Home / 143,470.28-197,995.38-119,556.92

Finding the Fourth Proportional to 143,470.28, 197,995.38 and 119,556.92

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Solution

The fourth proportional to 143,470.28, 197,995.38 and 119,556.92 is: 164,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,470.28 : 197,995.38 = 119,556.92 : x
  2. Step 2: Convert to fraction form
    143,470.28/197,995.38 = 119,556.92/x
  3. Step 3: Cross multiply
    143,470.28x = 197,995.38 × 119,556.92
  4. Step 4: Simplify right side
    143,470.28x = 23,671,717,807.03
  5. Step 5: Solve for x
    x = 23,671,717,807.03/143,470.28
  6. Step 6: Final answer
    x = 164,993.88

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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.