Home / 203,109.14-280,293.56-112,464.93

Finding the Fourth Proportional to 203,109.14, 280,293.56 and 112,464.93

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Solution

The fourth proportional to 203,109.14, 280,293.56 and 112,464.93 is: 155,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,109.14 : 280,293.56 = 112,464.93 : x
  2. Step 2: Convert to fraction form
    203,109.14/280,293.56 = 112,464.93/x
  3. Step 3: Cross multiply
    203,109.14x = 280,293.56 × 112,464.93
  4. Step 4: Simplify right side
    203,109.14x = 31,523,193,641.06
  5. Step 5: Solve for x
    x = 31,523,193,641.06/203,109.14
  6. Step 6: Final answer
    x = 155,203.23

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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.