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Finding the Fourth Proportional to 169,519.95, 233,879.45 and 96,870.64

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Solution

The fourth proportional to 169,519.95, 233,879.45 and 96,870.64 is: 133,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,519.95 : 233,879.45 = 96,870.64 : x
  2. Step 2: Convert to fraction form
    169,519.95/233,879.45 = 96,870.64/x
  3. Step 3: Cross multiply
    169,519.95x = 233,879.45 × 96,870.64
  4. Step 4: Simplify right side
    169,519.95x = 22,656,052,246.52
  5. Step 5: Solve for x
    x = 22,656,052,246.52/169,519.95
  6. Step 6: Final answer
    x = 133,648.30

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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.