Home / 99,746.81-137,650.54-63,936.79

Finding the Fourth Proportional to 99,746.81, 137,650.54 and 63,936.79

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Solution

The fourth proportional to 99,746.81, 137,650.54 and 63,936.79 is: 88,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.81 : 137,650.54 = 63,936.79 : x
  2. Step 2: Convert to fraction form
    99,746.81/137,650.54 = 63,936.79/x
  3. Step 3: Cross multiply
    99,746.81x = 137,650.54 × 63,936.79
  4. Step 4: Simplify right side
    99,746.81x = 8,800,934,059.56
  5. Step 5: Solve for x
    x = 8,800,934,059.56/99,746.81
  6. Step 6: Final answer
    x = 88,232.74

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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.