Home / 115,277.06-159,083.57-64,976.06

Finding the Fourth Proportional to 115,277.06, 159,083.57 and 64,976.06

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Solution

The fourth proportional to 115,277.06, 159,083.57 and 64,976.06 is: 89,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.06 : 159,083.57 = 64,976.06 : x
  2. Step 2: Convert to fraction form
    115,277.06/159,083.57 = 64,976.06/x
  3. Step 3: Cross multiply
    115,277.06x = 159,083.57 × 64,976.06
  4. Step 4: Simplify right side
    115,277.06x = 10,336,624,149.48
  5. Step 5: Solve for x
    x = 10,336,624,149.48/115,277.06
  6. Step 6: Final answer
    x = 89,667.66

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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.