Home / 217,996.46-326,860.86-84,721.10

Finding the Fourth Proportional to 217,996.46, 326,860.86 and 84,721.10

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Solution

The fourth proportional to 217,996.46, 326,860.86 and 84,721.10 is: 127,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,996.46 : 326,860.86 = 84,721.10 : x
  2. Step 2: Convert to fraction form
    217,996.46/326,860.86 = 84,721.10/x
  3. Step 3: Cross multiply
    217,996.46x = 326,860.86 × 84,721.10
  4. Step 4: Simplify right side
    217,996.46x = 27,692,011,606.15
  5. Step 5: Solve for x
    x = 27,692,011,606.15/217,996.46
  6. Step 6: Final answer
    x = 127,029.64

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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.