Home / 117,805.77-162,571.91-64,090.73

Finding the Fourth Proportional to 117,805.77, 162,571.91 and 64,090.73

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Solution

The fourth proportional to 117,805.77, 162,571.91 and 64,090.73 is: 88,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,805.77 : 162,571.91 = 64,090.73 : x
  2. Step 2: Convert to fraction form
    117,805.77/162,571.91 = 64,090.73/x
  3. Step 3: Cross multiply
    117,805.77x = 162,571.91 × 64,090.73
  4. Step 4: Simplify right side
    117,805.77x = 10,419,351,256.08
  5. Step 5: Solve for x
    x = 10,419,351,256.08/117,805.77
  6. Step 6: Final answer
    x = 88,445.17

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1.5x scale

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.