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Finding the Fourth Proportional to 170,264.54, 234,966.64 and 93,783.92

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Solution

The fourth proportional to 170,264.54, 234,966.64 and 93,783.92 is: 129,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,264.54 : 234,966.64 = 93,783.92 : x
  2. Step 2: Convert to fraction form
    170,264.54/234,966.64 = 93,783.92/x
  3. Step 3: Cross multiply
    170,264.54x = 234,966.64 × 93,783.92
  4. Step 4: Simplify right side
    170,264.54x = 22,036,092,568.43
  5. Step 5: Solve for x
    x = 22,036,092,568.43/170,264.54
  6. Step 6: Final answer
    x = 129,422.68

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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.