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Finding the Fourth Proportional to 192,017.56, 288,053.68 and 102,036.78

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Solution

The fourth proportional to 192,017.56, 288,053.68 and 102,036.78 is: 153,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017.56 : 288,053.68 = 102,036.78 : x
  2. Step 2: Convert to fraction form
    192,017.56/288,053.68 = 102,036.78/x
  3. Step 3: Cross multiply
    192,017.56x = 288,053.68 × 102,036.78
  4. Step 4: Simplify right side
    192,017.56x = 29,392,069,974.35
  5. Step 5: Solve for x
    x = 29,392,069,974.35/192,017.56
  6. Step 6: Final answer
    x = 153,069.70

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1.5x scale

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.