Home / 161,741.49-223,200.28-90,119.97

Finding the Fourth Proportional to 161,741.49, 223,200.28 and 90,119.97

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Solution

The fourth proportional to 161,741.49, 223,200.28 and 90,119.97 is: 124,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,741.49 : 223,200.28 = 90,119.97 : x
  2. Step 2: Convert to fraction form
    161,741.49/223,200.28 = 90,119.97/x
  3. Step 3: Cross multiply
    161,741.49x = 223,200.28 × 90,119.97
  4. Step 4: Simplify right side
    161,741.49x = 20,114,802,537.59
  5. Step 5: Solve for x
    x = 20,114,802,537.59/161,741.49
  6. Step 6: Final answer
    x = 124,363.90

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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.