Home / 136,448.32-188,293.92-76,015.84

Finding the Fourth Proportional to 136,448.32, 188,293.92 and 76,015.84

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Solution

The fourth proportional to 136,448.32, 188,293.92 and 76,015.84 is: 104,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,448.32 : 188,293.92 = 76,015.84 : x
  2. Step 2: Convert to fraction form
    136,448.32/188,293.92 = 76,015.84/x
  3. Step 3: Cross multiply
    136,448.32x = 188,293.92 × 76,015.84
  4. Step 4: Simplify right side
    136,448.32x = 14,313,320,495.69
  5. Step 5: Solve for x
    x = 14,313,320,495.69/136,448.32
  6. Step 6: Final answer
    x = 104,899.21

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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.