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Finding the Fourth Proportional to 169,404, 254,106 and 70,908

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Solution

The fourth proportional to 169,404, 254,106 and 70,908 is: 106,362

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,404 : 254,106 = 70,908 : x
  2. Step 2: Convert to fraction form
    169,404/254,106 = 70,908/x
  3. Step 3: Cross multiply
    169,404x = 254,106 × 70,908
  4. Step 4: Simplify right side
    169,404x = 18,018,148,248
  5. Step 5: Solve for x
    x = 18,018,148,248/169,404
  6. Step 6: Final answer
    x = 106,362

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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.