Home / 159,167.06-219,681.75-91,229.58

Finding the Fourth Proportional to 159,167.06, 219,681.75 and 91,229.58

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Solution

The fourth proportional to 159,167.06, 219,681.75 and 91,229.58 is: 125,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,167.06 : 219,681.75 = 91,229.58 : x
  2. Step 2: Convert to fraction form
    159,167.06/219,681.75 = 91,229.58/x
  3. Step 3: Cross multiply
    159,167.06x = 219,681.75 × 91,229.58
  4. Step 4: Simplify right side
    159,167.06x = 20,041,473,786.17
  5. Step 5: Solve for x
    x = 20,041,473,786.17/159,167.06
  6. Step 6: Final answer
    x = 125,914.71

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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.