Home / 159,350.04-219,905.87-86,755.04

Finding the Fourth Proportional to 159,350.04, 219,905.87 and 86,755.04

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Solution

The fourth proportional to 159,350.04, 219,905.87 and 86,755.04 is: 119,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,350.04 : 219,905.87 = 86,755.04 : x
  2. Step 2: Convert to fraction form
    159,350.04/219,905.87 = 86,755.04/x
  3. Step 3: Cross multiply
    159,350.04x = 219,905.87 × 86,755.04
  4. Step 4: Simplify right side
    159,350.04x = 19,077,943,314.74
  5. Step 5: Solve for x
    x = 19,077,943,314.74/159,350.04
  6. Step 6: Final answer
    x = 119,723.49

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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.