Home / 149,832.74-206,775.47-86,170.59

Finding the Fourth Proportional to 149,832.74, 206,775.47 and 86,170.59

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Solution

The fourth proportional to 149,832.74, 206,775.47 and 86,170.59 is: 118,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,832.74 : 206,775.47 = 86,170.59 : x
  2. Step 2: Convert to fraction form
    149,832.74/206,775.47 = 86,170.59/x
  3. Step 3: Cross multiply
    149,832.74x = 206,775.47 × 86,170.59
  4. Step 4: Simplify right side
    149,832.74x = 17,817,964,247.43
  5. Step 5: Solve for x
    x = 17,817,964,247.43/149,832.74
  6. Step 6: Final answer
    x = 118,919.03

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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.