Home / 139,364.07-192,326.58-75,706.17

Finding the Fourth Proportional to 139,364.07, 192,326.58 and 75,706.17

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Solution

The fourth proportional to 139,364.07, 192,326.58 and 75,706.17 is: 104,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,364.07 : 192,326.58 = 75,706.17 : x
  2. Step 2: Convert to fraction form
    139,364.07/192,326.58 = 75,706.17/x
  3. Step 3: Cross multiply
    139,364.07x = 192,326.58 × 75,706.17
  4. Step 4: Simplify right side
    139,364.07x = 14,560,308,761.00
  5. Step 5: Solve for x
    x = 14,560,308,761.00/139,364.07
  6. Step 6: Final answer
    x = 104,476.78

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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.