Home / 139,524.32-192,542.57-75,862.10

Finding the Fourth Proportional to 139,524.32, 192,542.57 and 75,862.10

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Solution

The fourth proportional to 139,524.32, 192,542.57 and 75,862.10 is: 104,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.32 : 192,542.57 = 75,862.10 : x
  2. Step 2: Convert to fraction form
    139,524.32/192,542.57 = 75,862.10/x
  3. Step 3: Cross multiply
    139,524.32x = 192,542.57 × 75,862.10
  4. Step 4: Simplify right side
    139,524.32x = 14,606,684,086.13
  5. Step 5: Solve for x
    x = 14,606,684,086.13/139,524.32
  6. Step 6: Final answer
    x = 104,689.16

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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.