Home / 119,739.60-165,241.80-66,026.52

Finding the Fourth Proportional to 119,739.60, 165,241.80 and 66,026.52

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Solution

The fourth proportional to 119,739.60, 165,241.80 and 66,026.52 is: 91,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739.60 : 165,241.80 = 66,026.52 : x
  2. Step 2: Convert to fraction form
    119,739.60/165,241.80 = 66,026.52/x
  3. Step 3: Cross multiply
    119,739.60x = 165,241.80 × 66,026.52
  4. Step 4: Simplify right side
    119,739.60x = 10,910,341,012.54
  5. Step 5: Solve for x
    x = 10,910,341,012.54/119,739.60
  6. Step 6: Final answer
    x = 91,117.23

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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.