Home / 121,383.91-167,506.34-67,667.82

Finding the Fourth Proportional to 121,383.91, 167,506.34 and 67,667.82

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Solution

The fourth proportional to 121,383.91, 167,506.34 and 67,667.82 is: 93,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383.91 : 167,506.34 = 67,667.82 : x
  2. Step 2: Convert to fraction form
    121,383.91/167,506.34 = 67,667.82/x
  3. Step 3: Cross multiply
    121,383.91x = 167,506.34 × 67,667.82
  4. Step 4: Simplify right side
    121,383.91x = 11,334,788,863.98
  5. Step 5: Solve for x
    x = 11,334,788,863.98/121,383.91
  6. Step 6: Final answer
    x = 93,379.67

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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.