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Finding the Fourth Proportional to 101,853.14, 152,790.03 and 35,278.02

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Solution

The fourth proportional to 101,853.14, 152,790.03 and 35,278.02 is: 52,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,853.14 : 152,790.03 = 35,278.02 : x
  2. Step 2: Convert to fraction form
    101,853.14/152,790.03 = 35,278.02/x
  3. Step 3: Cross multiply
    101,853.14x = 152,790.03 × 35,278.02
  4. Step 4: Simplify right side
    101,853.14x = 5,390,129,734.14
  5. Step 5: Solve for x
    x = 5,390,129,734.14/101,853.14
  6. Step 6: Final answer
    x = 52,920.61

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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.