Home / 124,009.75-171,134.67-67,422.34

Finding the Fourth Proportional to 124,009.75, 171,134.67 and 67,422.34

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Solution

The fourth proportional to 124,009.75, 171,134.67 and 67,422.34 is: 93,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,009.75 : 171,134.67 = 67,422.34 : x
  2. Step 2: Convert to fraction form
    124,009.75/171,134.67 = 67,422.34/x
  3. Step 3: Cross multiply
    124,009.75x = 171,134.67 × 67,422.34
  4. Step 4: Simplify right side
    124,009.75x = 11,538,299,906.53
  5. Step 5: Solve for x
    x = 11,538,299,906.53/124,009.75
  6. Step 6: Final answer
    x = 93,043.49

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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.