Home / 121,311.51-167,415.03-67,596.57

Finding the Fourth Proportional to 121,311.51, 167,415.03 and 67,596.57

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Solution

The fourth proportional to 121,311.51, 167,415.03 and 67,596.57 is: 93,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.51 : 167,415.03 = 67,596.57 : x
  2. Step 2: Convert to fraction form
    121,311.51/167,415.03 = 67,596.57/x
  3. Step 3: Cross multiply
    121,311.51x = 167,415.03 × 67,596.57
  4. Step 4: Simplify right side
    121,311.51x = 11,316,681,794.45
  5. Step 5: Solve for x
    x = 11,316,681,794.45/121,311.51
  6. Step 6: Final answer
    x = 93,286.13

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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.