Home / 203,310.86-280,575.14-112,658.35

Finding the Fourth Proportional to 203,310.86, 280,575.14 and 112,658.35

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Solution

The fourth proportional to 203,310.86, 280,575.14 and 112,658.35 is: 155,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,310.86 : 280,575.14 = 112,658.35 : x
  2. Step 2: Convert to fraction form
    203,310.86/280,575.14 = 112,658.35/x
  3. Step 3: Cross multiply
    203,310.86x = 280,575.14 × 112,658.35
  4. Step 4: Simplify right side
    203,310.86x = 31,609,130,357.25
  5. Step 5: Solve for x
    x = 31,609,130,357.25/203,310.86
  6. Step 6: Final answer
    x = 155,471.92

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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.