Home / 120,725.51-166,600.91-67,011.17

Finding the Fourth Proportional to 120,725.51, 166,600.91 and 67,011.17

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Solution

The fourth proportional to 120,725.51, 166,600.91 and 67,011.17 is: 92,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.51 : 166,600.91 = 67,011.17 : x
  2. Step 2: Convert to fraction form
    120,725.51/166,600.91 = 67,011.17/x
  3. Step 3: Cross multiply
    120,725.51x = 166,600.91 × 67,011.17
  4. Step 4: Simplify right side
    120,725.51x = 11,164,121,236.69
  5. Step 5: Solve for x
    x = 11,164,121,236.69/120,725.51
  6. Step 6: Final answer
    x = 92,475.25

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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.