Home / 161,744.88-223,204.92-90,123.36

Finding the Fourth Proportional to 161,744.88, 223,204.92 and 90,123.36

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Solution

The fourth proportional to 161,744.88, 223,204.92 and 90,123.36 is: 124,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.88 : 223,204.92 = 90,123.36 : x
  2. Step 2: Convert to fraction form
    161,744.88/223,204.92 = 90,123.36/x
  3. Step 3: Cross multiply
    161,744.88x = 223,204.92 × 90,123.36
  4. Step 4: Simplify right side
    161,744.88x = 20,115,977,358.93
  5. Step 5: Solve for x
    x = 20,115,977,358.93/161,744.88
  6. Step 6: Final answer
    x = 124,368.56

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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.