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Finding the Fourth Proportional to 169,972.71, 234,568.46 and 93,497.81

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Solution

The fourth proportional to 169,972.71, 234,568.46 and 93,497.81 is: 129,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.71 : 234,568.46 = 93,497.81 : x
  2. Step 2: Convert to fraction form
    169,972.71/234,568.46 = 93,497.81/x
  3. Step 3: Cross multiply
    169,972.71x = 234,568.46 × 93,497.81
  4. Step 4: Simplify right side
    169,972.71x = 21,931,635,664.74
  5. Step 5: Solve for x
    x = 21,931,635,664.74/169,972.71
  6. Step 6: Final answer
    x = 129,030.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.