Home / 121,317.66-167,416.11-67,601.52

Finding the Fourth Proportional to 121,317.66, 167,416.11 and 67,601.52

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Solution

The fourth proportional to 121,317.66, 167,416.11 and 67,601.52 is: 93,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,317.66 : 167,416.11 = 67,601.52 : x
  2. Step 2: Convert to fraction form
    121,317.66/167,416.11 = 67,601.52/x
  3. Step 3: Cross multiply
    121,317.66x = 167,416.11 × 67,601.52
  4. Step 4: Simplify right side
    121,317.66x = 11,317,583,508.49
  5. Step 5: Solve for x
    x = 11,317,583,508.49/121,317.66
  6. Step 6: Final answer
    x = 93,288.84

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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.