Home / 121,186.08-167,216.80-67,469.72

Finding the Fourth Proportional to 121,186.08, 167,216.80 and 67,469.72

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Solution

The fourth proportional to 121,186.08, 167,216.80 and 67,469.72 is: 93,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,186.08 : 167,216.80 = 67,469.72 : x
  2. Step 2: Convert to fraction form
    121,186.08/167,216.80 = 67,469.72/x
  3. Step 3: Cross multiply
    121,186.08x = 167,216.80 × 67,469.72
  4. Step 4: Simplify right side
    121,186.08x = 11,282,070,675.30
  5. Step 5: Solve for x
    x = 11,282,070,675.30/121,186.08
  6. Step 6: Final answer
    x = 93,097.08

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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.