Home / 203,308.08-280,552.46-112,658.75

Finding the Fourth Proportional to 203,308.08, 280,552.46 and 112,658.75

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Solution

The fourth proportional to 203,308.08, 280,552.46 and 112,658.75 is: 155,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,308.08 : 280,552.46 = 112,658.75 : x
  2. Step 2: Convert to fraction form
    203,308.08/280,552.46 = 112,658.75/x
  3. Step 3: Cross multiply
    203,308.08x = 280,552.46 × 112,658.75
  4. Step 4: Simplify right side
    203,308.08x = 31,606,689,172.75
  5. Step 5: Solve for x
    x = 31,606,689,172.75/203,308.08
  6. Step 6: Final answer
    x = 155,462.04

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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.