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Finding the Fourth Proportional to 121,043.52, 167,014.80 and 73,300.32

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Solution

The fourth proportional to 121,043.52, 167,014.80 and 73,300.32 is: 101,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,043.52 : 167,014.80 = 73,300.32 : x
  2. Step 2: Convert to fraction form
    121,043.52/167,014.80 = 73,300.32/x
  3. Step 3: Cross multiply
    121,043.52x = 167,014.80 × 73,300.32
  4. Step 4: Simplify right side
    121,043.52x = 12,242,238,284.74
  5. Step 5: Solve for x
    x = 12,242,238,284.74/121,043.52
  6. Step 6: Final answer
    x = 101,139.15

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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.