Home / 120,739.80-181,068.66-41,835.60

Finding the Fourth Proportional to 120,739.80, 181,068.66 and 41,835.60

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Solution

The fourth proportional to 120,739.80, 181,068.66 and 41,835.60 is: 62,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,739.80 : 181,068.66 = 41,835.60 : x
  2. Step 2: Convert to fraction form
    120,739.80/181,068.66 = 41,835.60/x
  3. Step 3: Cross multiply
    120,739.80x = 181,068.66 × 41,835.60
  4. Step 4: Simplify right side
    120,739.80x = 7,575,116,032.30
  5. Step 5: Solve for x
    x = 7,575,116,032.30/120,739.80
  6. Step 6: Final answer
    x = 62,739.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.