Home / 121,678.26-167,914.23-67,964.04

Finding the Fourth Proportional to 121,678.26, 167,914.23 and 67,964.04

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Solution

The fourth proportional to 121,678.26, 167,914.23 and 67,964.04 is: 93,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,678.26 : 167,914.23 = 67,964.04 : x
  2. Step 2: Convert to fraction form
    121,678.26/167,914.23 = 67,964.04/x
  3. Step 3: Cross multiply
    121,678.26x = 167,914.23 × 67,964.04
  4. Step 4: Simplify right side
    121,678.26x = 11,412,129,444.29
  5. Step 5: Solve for x
    x = 11,412,129,444.29/121,678.26
  6. Step 6: Final answer
    x = 93,789.39

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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.