Home / 231,276.35-347,045.75-91,133.39

Finding the Fourth Proportional to 231,276.35, 347,045.75 and 91,133.39

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Solution

The fourth proportional to 231,276.35, 347,045.75 and 91,133.39 is: 136,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,276.35 : 347,045.75 = 91,133.39 : x
  2. Step 2: Convert to fraction form
    231,276.35/347,045.75 = 91,133.39/x
  3. Step 3: Cross multiply
    231,276.35x = 347,045.75 × 91,133.39
  4. Step 4: Simplify right side
    231,276.35x = 31,627,455,682.59
  5. Step 5: Solve for x
    x = 31,627,455,682.59/231,276.35
  6. Step 6: Final answer
    x = 136,751.79

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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.