Home / 221,499.36-332,176.14-121,772.16

Finding the Fourth Proportional to 221,499.36, 332,176.14 and 121,772.16

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Solution

The fourth proportional to 221,499.36, 332,176.14 and 121,772.16 is: 182,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,499.36 : 332,176.14 = 121,772.16 : x
  2. Step 2: Convert to fraction form
    221,499.36/332,176.14 = 121,772.16/x
  3. Step 3: Cross multiply
    221,499.36x = 332,176.14 × 121,772.16
  4. Step 4: Simplify right side
    221,499.36x = 40,449,806,068.26
  5. Step 5: Solve for x
    x = 40,449,806,068.26/221,499.36
  6. Step 6: Final answer
    x = 182,618.16

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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.