Home / 136,366.38-188,185.80-75,948.66

Finding the Fourth Proportional to 136,366.38, 188,185.80 and 75,948.66

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Solution

The fourth proportional to 136,366.38, 188,185.80 and 75,948.66 is: 104,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,366.38 : 188,185.80 = 75,948.66 : x
  2. Step 2: Convert to fraction form
    136,366.38/188,185.80 = 75,948.66/x
  3. Step 3: Cross multiply
    136,366.38x = 188,185.80 × 75,948.66
  4. Step 4: Simplify right side
    136,366.38x = 14,292,459,341.03
  5. Step 5: Solve for x
    x = 14,292,459,341.03/136,366.38
  6. Step 6: Final answer
    x = 104,809.26

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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.