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Finding the Fourth Proportional to 169,653, 234,149.95 and 98,074.52

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Solution

The fourth proportional to 169,653, 234,149.95 and 98,074.52 is: 135,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,653 : 234,149.95 = 98,074.52 : x
  2. Step 2: Convert to fraction form
    169,653/234,149.95 = 98,074.52/x
  3. Step 3: Cross multiply
    169,653x = 234,149.95 × 98,074.52
  4. Step 4: Simplify right side
    169,653x = 22,964,143,954.27
  5. Step 5: Solve for x
    x = 22,964,143,954.27/169,653
  6. Step 6: Final answer
    x = 135,359.49

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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.