Home / 161,914.55-223,441.64-90,294.65

Finding the Fourth Proportional to 161,914.55, 223,441.64 and 90,294.65

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Solution

The fourth proportional to 161,914.55, 223,441.64 and 90,294.65 is: 124,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,914.55 : 223,441.64 = 90,294.65 : x
  2. Step 2: Convert to fraction form
    161,914.55/223,441.64 = 90,294.65/x
  3. Step 3: Cross multiply
    161,914.55x = 223,441.64 × 90,294.65
  4. Step 4: Simplify right side
    161,914.55x = 20,175,584,287.06
  5. Step 5: Solve for x
    x = 20,175,584,287.06/161,914.55
  6. Step 6: Final answer
    x = 124,606.37

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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.