Home / 136,150.10-204,419.55-77,101.10

Finding the Fourth Proportional to 136,150.10, 204,419.55 and 77,101.10

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Solution

The fourth proportional to 136,150.10, 204,419.55 and 77,101.10 is: 115,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,150.10 : 204,419.55 = 77,101.10 : x
  2. Step 2: Convert to fraction form
    136,150.10/204,419.55 = 77,101.10/x
  3. Step 3: Cross multiply
    136,150.10x = 204,419.55 × 77,101.10
  4. Step 4: Simplify right side
    136,150.10x = 15,760,972,166.51
  5. Step 5: Solve for x
    x = 15,760,972,166.51/136,150.10
  6. Step 6: Final answer
    x = 115,761.74

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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.