Home / 124,716.32-172,112.30-68,131.34

Finding the Fourth Proportional to 124,716.32, 172,112.30 and 68,131.34

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Solution

The fourth proportional to 124,716.32, 172,112.30 and 68,131.34 is: 94,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716.32 : 172,112.30 = 68,131.34 : x
  2. Step 2: Convert to fraction form
    124,716.32/172,112.30 = 68,131.34/x
  3. Step 3: Cross multiply
    124,716.32x = 172,112.30 × 68,131.34
  4. Step 4: Simplify right side
    124,716.32x = 11,726,240,428.26
  5. Step 5: Solve for x
    x = 11,726,240,428.26/124,716.32
  6. Step 6: Final answer
    x = 94,023.31

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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.