Home / 139,759.43-192,862.22-76,097.07

Finding the Fourth Proportional to 139,759.43, 192,862.22 and 76,097.07

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Solution

The fourth proportional to 139,759.43, 192,862.22 and 76,097.07 is: 105,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,759.43 : 192,862.22 = 76,097.07 : x
  2. Step 2: Convert to fraction form
    139,759.43/192,862.22 = 76,097.07/x
  3. Step 3: Cross multiply
    139,759.43x = 192,862.22 × 76,097.07
  4. Step 4: Simplify right side
    139,759.43x = 14,676,249,475.21
  5. Step 5: Solve for x
    x = 14,676,249,475.21/139,759.43
  6. Step 6: Final answer
    x = 105,010.80

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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.