Home / 216,258.19-324,456.68-103,946.56

Finding the Fourth Proportional to 216,258.19, 324,456.68 and 103,946.56

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Solution

The fourth proportional to 216,258.19, 324,456.68 and 103,946.56 is: 155,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,258.19 : 324,456.68 = 103,946.56 : x
  2. Step 2: Convert to fraction form
    216,258.19/324,456.68 = 103,946.56/x
  3. Step 3: Cross multiply
    216,258.19x = 324,456.68 × 103,946.56
  4. Step 4: Simplify right side
    216,258.19x = 33,726,155,203.75
  5. Step 5: Solve for x
    x = 33,726,155,203.75/216,258.19
  6. Step 6: Final answer
    x = 155,953.19

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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.