Home / 236,934.75-355,464.45-85,147.17

Finding the Fourth Proportional to 236,934.75, 355,464.45 and 85,147.17

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Solution

The fourth proportional to 236,934.75, 355,464.45 and 85,147.17 is: 127,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,934.75 : 355,464.45 = 85,147.17 : x
  2. Step 2: Convert to fraction form
    236,934.75/355,464.45 = 85,147.17/x
  3. Step 3: Cross multiply
    236,934.75x = 355,464.45 × 85,147.17
  4. Step 4: Simplify right side
    236,934.75x = 30,266,791,953.11
  5. Step 5: Solve for x
    x = 30,266,791,953.11/236,934.75
  6. Step 6: Final answer
    x = 127,743.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.