Home / 115,177.23-158,944.77-64,188.81

Finding the Fourth Proportional to 115,177.23, 158,944.77 and 64,188.81

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Solution

The fourth proportional to 115,177.23, 158,944.77 and 64,188.81 is: 88,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,177.23 : 158,944.77 = 64,188.81 : x
  2. Step 2: Convert to fraction form
    115,177.23/158,944.77 = 64,188.81/x
  3. Step 3: Cross multiply
    115,177.23x = 158,944.77 × 64,188.81
  4. Step 4: Simplify right side
    115,177.23x = 10,202,475,642.02
  5. Step 5: Solve for x
    x = 10,202,475,642.02/115,177.23
  6. Step 6: Final answer
    x = 88,580.67

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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.