Home / 124,231.05-171,438.66-67,642.38

Finding the Fourth Proportional to 124,231.05, 171,438.66 and 67,642.38

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Solution

The fourth proportional to 124,231.05, 171,438.66 and 67,642.38 is: 93,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,231.05 : 171,438.66 = 67,642.38 : x
  2. Step 2: Convert to fraction form
    124,231.05/171,438.66 = 67,642.38/x
  3. Step 3: Cross multiply
    124,231.05x = 171,438.66 × 67,642.38
  4. Step 4: Simplify right side
    124,231.05x = 11,596,518,986.41
  5. Step 5: Solve for x
    x = 11,596,518,986.41/124,231.05
  6. Step 6: Final answer
    x = 93,346.38

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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.