Home / 203,567.30-280,924.56-112,929.20

Finding the Fourth Proportional to 203,567.30, 280,924.56 and 112,929.20

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Solution

The fourth proportional to 203,567.30, 280,924.56 and 112,929.20 is: 155,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,567.30 : 280,924.56 = 112,929.20 : x
  2. Step 2: Convert to fraction form
    203,567.30/280,924.56 = 112,929.20/x
  3. Step 3: Cross multiply
    203,567.30x = 280,924.56 × 112,929.20
  4. Step 4: Simplify right side
    203,567.30x = 31,724,585,821.15
  5. Step 5: Solve for x
    x = 31,724,585,821.15/203,567.30
  6. Step 6: Final answer
    x = 155,843.23

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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.