Home / 121,262.28-167,344.02-73,517.64

Finding the Fourth Proportional to 121,262.28, 167,344.02 and 73,517.64

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Solution

The fourth proportional to 121,262.28, 167,344.02 and 73,517.64 is: 101,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.28 : 167,344.02 = 73,517.64 : x
  2. Step 2: Convert to fraction form
    121,262.28/167,344.02 = 73,517.64/x
  3. Step 3: Cross multiply
    121,262.28x = 167,344.02 × 73,517.64
  4. Step 4: Simplify right side
    121,262.28x = 12,302,737,418.51
  5. Step 5: Solve for x
    x = 12,302,737,418.51/121,262.28
  6. Step 6: Final answer
    x = 101,455.60

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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.