Home / 159,453.36-220,046.76-91,473.30

Finding the Fourth Proportional to 159,453.36, 220,046.76 and 91,473.30

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Solution

The fourth proportional to 159,453.36, 220,046.76 and 91,473.30 is: 126,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,453.36 : 220,046.76 = 91,473.30 : x
  2. Step 2: Convert to fraction form
    159,453.36/220,046.76 = 91,473.30/x
  3. Step 3: Cross multiply
    159,453.36x = 220,046.76 × 91,473.30
  4. Step 4: Simplify right side
    159,453.36x = 20,128,403,291.51
  5. Step 5: Solve for x
    x = 20,128,403,291.51/159,453.36
  6. Step 6: Final answer
    x = 126,233.80

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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.