Home / 131,324.09-181,228.01-74,735.46

Finding the Fourth Proportional to 131,324.09, 181,228.01 and 74,735.46

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Solution

The fourth proportional to 131,324.09, 181,228.01 and 74,735.46 is: 103,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,324.09 : 181,228.01 = 74,735.46 : x
  2. Step 2: Convert to fraction form
    131,324.09/181,228.01 = 74,735.46/x
  3. Step 3: Cross multiply
    131,324.09x = 181,228.01 × 74,735.46
  4. Step 4: Simplify right side
    131,324.09x = 13,544,158,318.56
  5. Step 5: Solve for x
    x = 13,544,158,318.56/131,324.09
  6. Step 6: Final answer
    x = 103,135.37

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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.