Home / 149,332.35-206,078.64-82,264.35

Finding the Fourth Proportional to 149,332.35, 206,078.64 and 82,264.35

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Solution

The fourth proportional to 149,332.35, 206,078.64 and 82,264.35 is: 113,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,332.35 : 206,078.64 = 82,264.35 : x
  2. Step 2: Convert to fraction form
    149,332.35/206,078.64 = 82,264.35/x
  3. Step 3: Cross multiply
    149,332.35x = 206,078.64 × 82,264.35
  4. Step 4: Simplify right side
    149,332.35x = 16,952,925,368.48
  5. Step 5: Solve for x
    x = 16,952,925,368.48/149,332.35
  6. Step 6: Final answer
    x = 113,524.80

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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.