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Finding the Fourth Proportional to 169,743.87, 234,250.47 and 93,267.74

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Solution

The fourth proportional to 169,743.87, 234,250.47 and 93,267.74 is: 128,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,743.87 : 234,250.47 = 93,267.74 : x
  2. Step 2: Convert to fraction form
    169,743.87/234,250.47 = 93,267.74/x
  3. Step 3: Cross multiply
    169,743.87x = 234,250.47 × 93,267.74
  4. Step 4: Simplify right side
    169,743.87x = 21,848,012,516.46
  5. Step 5: Solve for x
    x = 21,848,012,516.46/169,743.87
  6. Step 6: Final answer
    x = 128,711.64

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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.