Home / 203,417.22-280,732.34-112,801.60

Finding the Fourth Proportional to 203,417.22, 280,732.34 and 112,801.60

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Solution

The fourth proportional to 203,417.22, 280,732.34 and 112,801.60 is: 155,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,417.22 : 280,732.34 = 112,801.60 : x
  2. Step 2: Convert to fraction form
    203,417.22/280,732.34 = 112,801.60/x
  3. Step 3: Cross multiply
    203,417.22x = 280,732.34 × 112,801.60
  4. Step 4: Simplify right side
    203,417.22x = 31,667,057,123.74
  5. Step 5: Solve for x
    x = 31,667,057,123.74/203,417.22
  6. Step 6: Final answer
    x = 155,675.40

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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.