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Finding the Fourth Proportional to 158,300.34, 218,411.15 and 101,744.52

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Solution

The fourth proportional to 158,300.34, 218,411.15 and 101,744.52 is: 140,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,300.34 : 218,411.15 = 101,744.52 : x
  2. Step 2: Convert to fraction form
    158,300.34/218,411.15 = 101,744.52/x
  3. Step 3: Cross multiply
    158,300.34x = 218,411.15 × 101,744.52
  4. Step 4: Simplify right side
    158,300.34x = 22,222,137,110.68
  5. Step 5: Solve for x
    x = 22,222,137,110.68/158,300.34
  6. Step 6: Final answer
    x = 140,379.59

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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.