Home / 161,748.80-223,229.76-90,140.48

Finding the Fourth Proportional to 161,748.80, 223,229.76 and 90,140.48

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Solution

The fourth proportional to 161,748.80, 223,229.76 and 90,140.48 is: 124,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748.80 : 223,229.76 = 90,140.48 : x
  2. Step 2: Convert to fraction form
    161,748.80/223,229.76 = 90,140.48/x
  3. Step 3: Cross multiply
    161,748.80x = 223,229.76 × 90,140.48
  4. Step 4: Simplify right side
    161,748.80x = 20,122,037,716.68
  5. Step 5: Solve for x
    x = 20,122,037,716.68/161,748.80
  6. Step 6: Final answer
    x = 124,403.01

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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.