Home / 149,567.41-206,403.67-81,585.87

Finding the Fourth Proportional to 149,567.41, 206,403.67 and 81,585.87

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Solution

The fourth proportional to 149,567.41, 206,403.67 and 81,585.87 is: 112,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,567.41 : 206,403.67 = 81,585.87 : x
  2. Step 2: Convert to fraction form
    149,567.41/206,403.67 = 81,585.87/x
  3. Step 3: Cross multiply
    149,567.41x = 206,403.67 × 81,585.87
  4. Step 4: Simplify right side
    149,567.41x = 16,839,622,988.14
  5. Step 5: Solve for x
    x = 16,839,622,988.14/149,567.41
  6. Step 6: Final answer
    x = 112,588.85

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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.