Home / 121,336.52-167,449.23-67,621.05

Finding the Fourth Proportional to 121,336.52, 167,449.23 and 67,621.05

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Solution

The fourth proportional to 121,336.52, 167,449.23 and 67,621.05 is: 93,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,336.52 : 167,449.23 = 67,621.05 : x
  2. Step 2: Convert to fraction form
    121,336.52/167,449.23 = 67,621.05/x
  3. Step 3: Cross multiply
    121,336.52x = 167,449.23 × 67,621.05
  4. Step 4: Simplify right side
    121,336.52x = 11,323,092,754.29
  5. Step 5: Solve for x
    x = 11,323,092,754.29/121,336.52
  6. Step 6: Final answer
    x = 93,319.75

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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.