Home / 100,864.47-151,252.95-34,286.73

Finding the Fourth Proportional to 100,864.47, 151,252.95 and 34,286.73

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Solution

The fourth proportional to 100,864.47, 151,252.95 and 34,286.73 is: 51,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,864.47 : 151,252.95 = 34,286.73 : x
  2. Step 2: Convert to fraction form
    100,864.47/151,252.95 = 34,286.73/x
  3. Step 3: Cross multiply
    100,864.47x = 151,252.95 × 34,286.73
  4. Step 4: Simplify right side
    100,864.47x = 5,185,968,619.73
  5. Step 5: Solve for x
    x = 5,185,968,619.73/100,864.47
  6. Step 6: Final answer
    x = 51,415.22

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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.