Home / 123,944.96-171,026.24-72,927.36

Finding the Fourth Proportional to 123,944.96, 171,026.24 and 72,927.36

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Solution

The fourth proportional to 123,944.96, 171,026.24 and 72,927.36 is: 100,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,944.96 : 171,026.24 = 72,927.36 : x
  2. Step 2: Convert to fraction form
    123,944.96/171,026.24 = 72,927.36/x
  3. Step 3: Cross multiply
    123,944.96x = 171,026.24 × 72,927.36
  4. Step 4: Simplify right side
    123,944.96x = 12,472,492,173.93
  5. Step 5: Solve for x
    x = 12,472,492,173.93/123,944.96
  6. Step 6: Final answer
    x = 100,629.28

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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.