Home / 146,515.90-202,182.17-81,973.94

Finding the Fourth Proportional to 146,515.90, 202,182.17 and 81,973.94

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Solution

The fourth proportional to 146,515.90, 202,182.17 and 81,973.94 is: 113,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,515.90 : 202,182.17 = 81,973.94 : x
  2. Step 2: Convert to fraction form
    146,515.90/202,182.17 = 81,973.94/x
  3. Step 3: Cross multiply
    146,515.90x = 202,182.17 × 81,973.94
  4. Step 4: Simplify right side
    146,515.90x = 16,573,669,619.09
  5. Step 5: Solve for x
    x = 16,573,669,619.09/146,515.90
  6. Step 6: Final answer
    x = 113,118.57

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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.