Home / 121,400.41-167,473.02-81,124.06

Finding the Fourth Proportional to 121,400.41, 167,473.02 and 81,124.06

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Solution

The fourth proportional to 121,400.41, 167,473.02 and 81,124.06 is: 111,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,400.41 : 167,473.02 = 81,124.06 : x
  2. Step 2: Convert to fraction form
    121,400.41/167,473.02 = 81,124.06/x
  3. Step 3: Cross multiply
    121,400.41x = 167,473.02 × 81,124.06
  4. Step 4: Simplify right side
    121,400.41x = 13,586,091,322.86
  5. Step 5: Solve for x
    x = 13,586,091,322.86/121,400.41
  6. Step 6: Final answer
    x = 111,911.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.