Home / 131,699.57-181,744.00-71,268.86

Finding the Fourth Proportional to 131,699.57, 181,744.00 and 71,268.86

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Solution

The fourth proportional to 131,699.57, 181,744.00 and 71,268.86 is: 98,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.57 : 181,744.00 = 71,268.86 : x
  2. Step 2: Convert to fraction form
    131,699.57/181,744.00 = 71,268.86/x
  3. Step 3: Cross multiply
    131,699.57x = 181,744.00 × 71,268.86
  4. Step 4: Simplify right side
    131,699.57x = 12,952,688,368.92
  5. Step 5: Solve for x
    x = 12,952,688,368.92/131,699.57
  6. Step 6: Final answer
    x = 98,350.27

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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.