Home / 139,755.24-192,862.62-83,165.40

Finding the Fourth Proportional to 139,755.24, 192,862.62 and 83,165.40

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Solution

The fourth proportional to 139,755.24, 192,862.62 and 83,165.40 is: 114,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,755.24 : 192,862.62 = 83,165.40 : x
  2. Step 2: Convert to fraction form
    139,755.24/192,862.62 = 83,165.40/x
  3. Step 3: Cross multiply
    139,755.24x = 192,862.62 × 83,165.40
  4. Step 4: Simplify right side
    139,755.24x = 16,039,496,937.35
  5. Step 5: Solve for x
    x = 16,039,496,937.35/139,755.24
  6. Step 6: Final answer
    x = 114,768.48

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1.5x scale

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.