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Finding the Fourth Proportional to 195,323.73, 293,009.01 and 68,937.87

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Solution

The fourth proportional to 195,323.73, 293,009.01 and 68,937.87 is: 103,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,323.73 : 293,009.01 = 68,937.87 : x
  2. Step 2: Convert to fraction form
    195,323.73/293,009.01 = 68,937.87/x
  3. Step 3: Cross multiply
    195,323.73x = 293,009.01 × 68,937.87
  4. Step 4: Simplify right side
    195,323.73x = 20,199,417,040.21
  5. Step 5: Solve for x
    x = 20,199,417,040.21/195,323.73
  6. Step 6: Final answer
    x = 103,415.07

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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.