Home / 115,184.32-158,954.70-66,795.64

Finding the Fourth Proportional to 115,184.32, 158,954.70 and 66,795.64

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Solution

The fourth proportional to 115,184.32, 158,954.70 and 66,795.64 is: 92,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.32 : 158,954.70 = 66,795.64 : x
  2. Step 2: Convert to fraction form
    115,184.32/158,954.70 = 66,795.64/x
  3. Step 3: Cross multiply
    115,184.32x = 158,954.70 × 66,795.64
  4. Step 4: Simplify right side
    115,184.32x = 10,617,480,917.51
  5. Step 5: Solve for x
    x = 10,617,480,917.51/115,184.32
  6. Step 6: Final answer
    x = 92,178.18

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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.