Home / 115,701.84-159,639.30-67,945.86

Finding the Fourth Proportional to 115,701.84, 159,639.30 and 67,945.86

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Solution

The fourth proportional to 115,701.84, 159,639.30 and 67,945.86 is: 93,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,701.84 : 159,639.30 = 67,945.86 : x
  2. Step 2: Convert to fraction form
    115,701.84/159,639.30 = 67,945.86/x
  3. Step 3: Cross multiply
    115,701.84x = 159,639.30 × 67,945.86
  4. Step 4: Simplify right side
    115,701.84x = 10,846,829,528.30
  5. Step 5: Solve for x
    x = 10,846,829,528.30/115,701.84
  6. Step 6: Final answer
    x = 93,748.12

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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.