Home / 124,163.38-171,345.46-67,575.16

Finding the Fourth Proportional to 124,163.38, 171,345.46 and 67,575.16

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Solution

The fourth proportional to 124,163.38, 171,345.46 and 67,575.16 is: 93,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,163.38 : 171,345.46 = 67,575.16 : x
  2. Step 2: Convert to fraction form
    124,163.38/171,345.46 = 67,575.16/x
  3. Step 3: Cross multiply
    124,163.38x = 171,345.46 × 67,575.16
  4. Step 4: Simplify right side
    124,163.38x = 11,578,696,018.05
  5. Step 5: Solve for x
    x = 11,578,696,018.05/124,163.38
  6. Step 6: Final answer
    x = 93,253.72

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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.