Home / 324,111.36-486,167.02-87,453.66

Finding the Fourth Proportional to 324,111.36, 486,167.02 and 87,453.66

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Solution

The fourth proportional to 324,111.36, 486,167.02 and 87,453.66 is: 131,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,111.36 : 486,167.02 = 87,453.66 : x
  2. Step 2: Convert to fraction form
    324,111.36/486,167.02 = 87,453.66/x
  3. Step 3: Cross multiply
    324,111.36x = 486,167.02 × 87,453.66
  4. Step 4: Simplify right side
    324,111.36x = 42,517,085,270.29
  5. Step 5: Solve for x
    x = 42,517,085,270.29/324,111.36
  6. Step 6: Final answer
    x = 131,180.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.