Home / 143,976.78-215,653.48-93,904.97

Finding the Fourth Proportional to 143,976.78, 215,653.48 and 93,904.97

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Solution

The fourth proportional to 143,976.78, 215,653.48 and 93,904.97 is: 140,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,976.78 : 215,653.48 = 93,904.97 : x
  2. Step 2: Convert to fraction form
    143,976.78/215,653.48 = 93,904.97/x
  3. Step 3: Cross multiply
    143,976.78x = 215,653.48 × 93,904.97
  4. Step 4: Simplify right side
    143,976.78x = 20,250,932,256.77
  5. Step 5: Solve for x
    x = 20,250,932,256.77/143,976.78
  6. Step 6: Final answer
    x = 140,654.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.