Home / 115,187.76-158,954.05-64,206.06

Finding the Fourth Proportional to 115,187.76, 158,954.05 and 64,206.06

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Solution

The fourth proportional to 115,187.76, 158,954.05 and 64,206.06 is: 88,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,187.76 : 158,954.05 = 64,206.06 : x
  2. Step 2: Convert to fraction form
    115,187.76/158,954.05 = 64,206.06/x
  3. Step 3: Cross multiply
    115,187.76x = 158,954.05 × 64,206.06
  4. Step 4: Simplify right side
    115,187.76x = 10,205,813,271.54
  5. Step 5: Solve for x
    x = 10,205,813,271.54/115,187.76
  6. Step 6: Final answer
    x = 88,601.54

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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.