Home / 215,159.76-322,402.32-136,107

Finding the Fourth Proportional to 215,159.76, 322,402.32 and 136,107

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Solution

The fourth proportional to 215,159.76, 322,402.32 and 136,107 is: 203,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,159.76 : 322,402.32 = 136,107 : x
  2. Step 2: Convert to fraction form
    215,159.76/322,402.32 = 136,107/x
  3. Step 3: Cross multiply
    215,159.76x = 322,402.32 × 136,107
  4. Step 4: Simplify right side
    215,159.76x = 43,881,212,568.24
  5. Step 5: Solve for x
    x = 43,881,212,568.24/215,159.76
  6. Step 6: Final answer
    x = 203,947.12

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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.