Home / 121,103.70-181,667.93-46,286.81

Finding the Fourth Proportional to 121,103.70, 181,667.93 and 46,286.81

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Solution

The fourth proportional to 121,103.70, 181,667.93 and 46,286.81 is: 69,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,103.70 : 181,667.93 = 46,286.81 : x
  2. Step 2: Convert to fraction form
    121,103.70/181,667.93 = 46,286.81/x
  3. Step 3: Cross multiply
    121,103.70x = 181,667.93 × 46,286.81
  4. Step 4: Simplify right side
    121,103.70x = 8,408,829,782.73
  5. Step 5: Solve for x
    x = 8,408,829,782.73/121,103.70
  6. Step 6: Final answer
    x = 69,434.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.