Home / 188,225.28-259,759.36-112,772.16

Finding the Fourth Proportional to 188,225.28, 259,759.36 and 112,772.16

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Solution

The fourth proportional to 188,225.28, 259,759.36 and 112,772.16 is: 155,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,225.28 : 259,759.36 = 112,772.16 : x
  2. Step 2: Convert to fraction form
    188,225.28/259,759.36 = 112,772.16/x
  3. Step 3: Cross multiply
    188,225.28x = 259,759.36 × 112,772.16
  4. Step 4: Simplify right side
    188,225.28x = 29,293,624,107.42
  5. Step 5: Solve for x
    x = 29,293,624,107.42/188,225.28
  6. Step 6: Final answer
    x = 155,630.66

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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.