Home / 96,764.43-133,378.40-72,193.49

Finding the Fourth Proportional to 96,764.43, 133,378.40 and 72,193.49

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Solution

The fourth proportional to 96,764.43, 133,378.40 and 72,193.49 is: 99,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,764.43 : 133,378.40 = 72,193.49 : x
  2. Step 2: Convert to fraction form
    96,764.43/133,378.40 = 72,193.49/x
  3. Step 3: Cross multiply
    96,764.43x = 133,378.40 × 72,193.49
  4. Step 4: Simplify right side
    96,764.43x = 9,629,051,158.76
  5. Step 5: Solve for x
    x = 9,629,051,158.76/96,764.43
  6. Step 6: Final answer
    x = 99,510.23

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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.