Home / 109,967.52-164,936.70-31,087.92

Finding the Fourth Proportional to 109,967.52, 164,936.70 and 31,087.92

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Solution

The fourth proportional to 109,967.52, 164,936.70 and 31,087.92 is: 46,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,967.52 : 164,936.70 = 31,087.92 : x
  2. Step 2: Convert to fraction form
    109,967.52/164,936.70 = 31,087.92/x
  3. Step 3: Cross multiply
    109,967.52x = 164,936.70 × 31,087.92
  4. Step 4: Simplify right side
    109,967.52x = 5,127,538,934.66
  5. Step 5: Solve for x
    x = 5,127,538,934.66/109,967.52
  6. Step 6: Final answer
    x = 46,627.76

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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.