Home / 160,757.56-221,854.29-89,136.05

Finding the Fourth Proportional to 160,757.56, 221,854.29 and 89,136.05

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Solution

The fourth proportional to 160,757.56, 221,854.29 and 89,136.05 is: 123,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,757.56 : 221,854.29 = 89,136.05 : x
  2. Step 2: Convert to fraction form
    160,757.56/221,854.29 = 89,136.05/x
  3. Step 3: Cross multiply
    160,757.56x = 221,854.29 × 89,136.05
  4. Step 4: Simplify right side
    160,757.56x = 19,775,214,144.01
  5. Step 5: Solve for x
    x = 19,775,214,144.01/160,757.56
  6. Step 6: Final answer
    x = 123,012.65

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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.