Home / 137,089.22-188,762.54-119,997.81

Finding the Fourth Proportional to 137,089.22, 188,762.54 and 119,997.81

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Solution

The fourth proportional to 137,089.22, 188,762.54 and 119,997.81 is: 165,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,089.22 : 188,762.54 = 119,997.81 : x
  2. Step 2: Convert to fraction form
    137,089.22/188,762.54 = 119,997.81/x
  3. Step 3: Cross multiply
    137,089.22x = 188,762.54 × 119,997.81
  4. Step 4: Simplify right side
    137,089.22x = 22,651,090,810.05
  5. Step 5: Solve for x
    x = 22,651,090,810.05/137,089.22
  6. Step 6: Final answer
    x = 165,228.83

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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.