Home / 96,721.76-133,441.80-63,207.20

Finding the Fourth Proportional to 96,721.76, 133,441.80 and 63,207.20

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Solution

The fourth proportional to 96,721.76, 133,441.80 and 63,207.20 is: 87,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,721.76 : 133,441.80 = 63,207.20 : x
  2. Step 2: Convert to fraction form
    96,721.76/133,441.80 = 63,207.20/x
  3. Step 3: Cross multiply
    96,721.76x = 133,441.80 × 63,207.20
  4. Step 4: Simplify right side
    96,721.76x = 8,434,481,873.75
  5. Step 5: Solve for x
    x = 8,434,481,873.75/96,721.76
  6. Step 6: Final answer
    x = 87,203.57

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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.