Home / 161,641.24-223,071.83-90,021.26

Finding the Fourth Proportional to 161,641.24, 223,071.83 and 90,021.26

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Solution

The fourth proportional to 161,641.24, 223,071.83 and 90,021.26 is: 124,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,641.24 : 223,071.83 = 90,021.26 : x
  2. Step 2: Convert to fraction form
    161,641.24/223,071.83 = 90,021.26/x
  3. Step 3: Cross multiply
    161,641.24x = 223,071.83 × 90,021.26
  4. Step 4: Simplify right side
    161,641.24x = 20,081,207,652.26
  5. Step 5: Solve for x
    x = 20,081,207,652.26/161,641.24
  6. Step 6: Final answer
    x = 124,233.20

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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.