Home / 161,642.44-223,058.10-90,021.16

Finding the Fourth Proportional to 161,642.44, 223,058.10 and 90,021.16

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Solution

The fourth proportional to 161,642.44, 223,058.10 and 90,021.16 is: 124,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642.44 : 223,058.10 = 90,021.16 : x
  2. Step 2: Convert to fraction form
    161,642.44/223,058.10 = 90,021.16/x
  3. Step 3: Cross multiply
    161,642.44x = 223,058.10 × 90,021.16
  4. Step 4: Simplify right side
    161,642.44x = 20,079,948,909.40
  5. Step 5: Solve for x
    x = 20,079,948,909.40/161,642.44
  6. Step 6: Final answer
    x = 124,224.49

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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.