Home / 159,581.75-220,222.83-87,963.33

Finding the Fourth Proportional to 159,581.75, 220,222.83 and 87,963.33

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Solution

The fourth proportional to 159,581.75, 220,222.83 and 87,963.33 is: 121,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,581.75 : 220,222.83 = 87,963.33 : x
  2. Step 2: Convert to fraction form
    159,581.75/220,222.83 = 87,963.33/x
  3. Step 3: Cross multiply
    159,581.75x = 220,222.83 × 87,963.33
  4. Step 4: Simplify right side
    159,581.75x = 19,371,534,624.52
  5. Step 5: Solve for x
    x = 19,371,534,624.52/159,581.75
  6. Step 6: Final answer
    x = 121,389.41

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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.