Home / 115,767.56-173,651.18-76,037.36

Finding the Fourth Proportional to 115,767.56, 173,651.18 and 76,037.36

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Solution

The fourth proportional to 115,767.56, 173,651.18 and 76,037.36 is: 114,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,767.56 : 173,651.18 = 76,037.36 : x
  2. Step 2: Convert to fraction form
    115,767.56/173,651.18 = 76,037.36/x
  3. Step 3: Cross multiply
    115,767.56x = 173,651.18 × 76,037.36
  4. Step 4: Simplify right side
    115,767.56x = 13,203,976,039.64
  5. Step 5: Solve for x
    x = 13,203,976,039.64/115,767.56
  6. Step 6: Final answer
    x = 114,055.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.