Home / 121,079.80-166,999.08-73,273.60

Finding the Fourth Proportional to 121,079.80, 166,999.08 and 73,273.60

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Solution

The fourth proportional to 121,079.80, 166,999.08 and 73,273.60 is: 101,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,079.80 : 166,999.08 = 73,273.60 : x
  2. Step 2: Convert to fraction form
    121,079.80/166,999.08 = 73,273.60/x
  3. Step 3: Cross multiply
    121,079.80x = 166,999.08 × 73,273.60
  4. Step 4: Simplify right side
    121,079.80x = 12,236,623,788.29
  5. Step 5: Solve for x
    x = 12,236,623,788.29/121,079.80
  6. Step 6: Final answer
    x = 101,062.47

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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.