Home / 142,867.38-197,067.66-91,946.32

Finding the Fourth Proportional to 142,867.38, 197,067.66 and 91,946.32

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Solution

The fourth proportional to 142,867.38, 197,067.66 and 91,946.32 is: 126,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.38 : 197,067.66 = 91,946.32 : x
  2. Step 2: Convert to fraction form
    142,867.38/197,067.66 = 91,946.32/x
  3. Step 3: Cross multiply
    142,867.38x = 197,067.66 × 91,946.32
  4. Step 4: Simplify right side
    142,867.38x = 18,119,646,128.01
  5. Step 5: Solve for x
    x = 18,119,646,128.01/142,867.38
  6. Step 6: Final answer
    x = 126,828.43

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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.