Home / 236,934.61-355,464.25-85,147.02

Finding the Fourth Proportional to 236,934.61, 355,464.25 and 85,147.02

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Solution

The fourth proportional to 236,934.61, 355,464.25 and 85,147.02 is: 127,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,934.61 : 355,464.25 = 85,147.02 : x
  2. Step 2: Convert to fraction form
    236,934.61/355,464.25 = 85,147.02/x
  3. Step 3: Cross multiply
    236,934.61x = 355,464.25 × 85,147.02
  4. Step 4: Simplify right side
    236,934.61x = 30,266,721,391.17
  5. Step 5: Solve for x
    x = 30,266,721,391.17/236,934.61
  6. Step 6: Final answer
    x = 127,742.93

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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.