Home / 115,440.32-159,213.48-96,973.04

Finding the Fourth Proportional to 115,440.32, 159,213.48 and 96,973.04

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Solution

The fourth proportional to 115,440.32, 159,213.48 and 96,973.04 is: 133,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.32 : 159,213.48 = 96,973.04 : x
  2. Step 2: Convert to fraction form
    115,440.32/159,213.48 = 96,973.04/x
  3. Step 3: Cross multiply
    115,440.32x = 159,213.48 × 96,973.04
  4. Step 4: Simplify right side
    115,440.32x = 15,439,415,164.58
  5. Step 5: Solve for x
    x = 15,439,415,164.58/115,440.32
  6. Step 6: Final answer
    x = 133,743.70

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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.