Home / 161,720.26-223,172.49-90,098.98

Finding the Fourth Proportional to 161,720.26, 223,172.49 and 90,098.98

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Solution

The fourth proportional to 161,720.26, 223,172.49 and 90,098.98 is: 124,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,720.26 : 223,172.49 = 90,098.98 : x
  2. Step 2: Convert to fraction form
    161,720.26/223,172.49 = 90,098.98/x
  3. Step 3: Cross multiply
    161,720.26x = 223,172.49 × 90,098.98
  4. Step 4: Simplify right side
    161,720.26x = 20,107,613,713.06
  5. Step 5: Solve for x
    x = 20,107,613,713.06/161,720.26
  6. Step 6: Final answer
    x = 124,335.77

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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.