Home / 146,643.93-202,367.05-82,113.76

Finding the Fourth Proportional to 146,643.93, 202,367.05 and 82,113.76

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Solution

The fourth proportional to 146,643.93, 202,367.05 and 82,113.76 is: 113,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643.93 : 202,367.05 = 82,113.76 : x
  2. Step 2: Convert to fraction form
    146,643.93/202,367.05 = 82,113.76/x
  3. Step 3: Cross multiply
    146,643.93x = 202,367.05 × 82,113.76
  4. Step 4: Simplify right side
    146,643.93x = 16,617,119,375.61
  5. Step 5: Solve for x
    x = 16,617,119,375.61/146,643.93
  6. Step 6: Final answer
    x = 113,316.11

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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.