Home / 126,028-173,913.04-68,667.52

Finding the Fourth Proportional to 126,028, 173,913.04 and 68,667.52

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Solution

The fourth proportional to 126,028, 173,913.04 and 68,667.52 is: 94,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028 : 173,913.04 = 68,667.52 : x
  2. Step 2: Convert to fraction form
    126,028/173,913.04 = 68,667.52/x
  3. Step 3: Cross multiply
    126,028x = 173,913.04 × 68,667.52
  4. Step 4: Simplify right side
    126,028x = 11,942,177,152.46
  5. Step 5: Solve for x
    x = 11,942,177,152.46/126,028
  6. Step 6: Final answer
    x = 94,758.13

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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.