Home / 124,950.42-172,435.62-68,361.72

Finding the Fourth Proportional to 124,950.42, 172,435.62 and 68,361.72

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Solution

The fourth proportional to 124,950.42, 172,435.62 and 68,361.72 is: 94,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,950.42 : 172,435.62 = 68,361.72 : x
  2. Step 2: Convert to fraction form
    124,950.42/172,435.62 = 68,361.72/x
  3. Step 3: Cross multiply
    124,950.42x = 172,435.62 × 68,361.72
  4. Step 4: Simplify right side
    124,950.42x = 11,787,995,572.47
  5. Step 5: Solve for x
    x = 11,787,995,572.47/124,950.42
  6. Step 6: Final answer
    x = 94,341.38

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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.