Home / 136,435.05-188,283.69-76,006.69

Finding the Fourth Proportional to 136,435.05, 188,283.69 and 76,006.69

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Solution

The fourth proportional to 136,435.05, 188,283.69 and 76,006.69 is: 104,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.05 : 188,283.69 = 76,006.69 : x
  2. Step 2: Convert to fraction form
    136,435.05/188,283.69 = 76,006.69/x
  3. Step 3: Cross multiply
    136,435.05x = 188,283.69 × 76,006.69
  4. Step 4: Simplify right side
    136,435.05x = 14,310,819,587.18
  5. Step 5: Solve for x
    x = 14,310,819,587.18/136,435.05
  6. Step 6: Final answer
    x = 104,891.08

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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.