Home / 136,297.96-188,096.73-75,864.77

Finding the Fourth Proportional to 136,297.96, 188,096.73 and 75,864.77

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Solution

The fourth proportional to 136,297.96, 188,096.73 and 75,864.77 is: 104,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.96 : 188,096.73 = 75,864.77 : x
  2. Step 2: Convert to fraction form
    136,297.96/188,096.73 = 75,864.77/x
  3. Step 3: Cross multiply
    136,297.96x = 188,096.73 × 75,864.77
  4. Step 4: Simplify right side
    136,297.96x = 14,269,915,159.20
  5. Step 5: Solve for x
    x = 14,269,915,159.20/136,297.96
  6. Step 6: Final answer
    x = 104,696.47

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1.5x scale

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.