Home / 131,829.93-181,916.28-73,682.87

Finding the Fourth Proportional to 131,829.93, 181,916.28 and 73,682.87

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Solution

The fourth proportional to 131,829.93, 181,916.28 and 73,682.87 is: 101,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,829.93 : 181,916.28 = 73,682.87 : x
  2. Step 2: Convert to fraction form
    131,829.93/181,916.28 = 73,682.87/x
  3. Step 3: Cross multiply
    131,829.93x = 181,916.28 × 73,682.87
  4. Step 4: Simplify right side
    131,829.93x = 13,404,112,700.54
  5. Step 5: Solve for x
    x = 13,404,112,700.54/131,829.93
  6. Step 6: Final answer
    x = 101,677.31

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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.