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Finding the Fourth Proportional to 169,798.32, 234,310.33 and 93,315.77

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Solution

The fourth proportional to 169,798.32, 234,310.33 and 93,315.77 is: 128,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.32 : 234,310.33 = 93,315.77 : x
  2. Step 2: Convert to fraction form
    169,798.32/234,310.33 = 93,315.77/x
  3. Step 3: Cross multiply
    169,798.32x = 234,310.33 × 93,315.77
  4. Step 4: Simplify right side
    169,798.32x = 21,864,848,862.90
  5. Step 5: Solve for x
    x = 21,864,848,862.90/169,798.32
  6. Step 6: Final answer
    x = 128,769.52

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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.