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Finding the Fourth Proportional to 169,294.95, 253,944.59 and 116,690.31

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Solution

The fourth proportional to 169,294.95, 253,944.59 and 116,690.31 is: 175,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,294.95 : 253,944.59 = 116,690.31 : x
  2. Step 2: Convert to fraction form
    169,294.95/253,944.59 = 116,690.31/x
  3. Step 3: Cross multiply
    169,294.95x = 253,944.59 × 116,690.31
  4. Step 4: Simplify right side
    169,294.95x = 29,632,872,346.47
  5. Step 5: Solve for x
    x = 29,632,872,346.47/169,294.95
  6. Step 6: Final answer
    x = 175,036.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.