Home / 126,197.89-174,156.36-68,838.17

Finding the Fourth Proportional to 126,197.89, 174,156.36 and 68,838.17

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Solution

The fourth proportional to 126,197.89, 174,156.36 and 68,838.17 is: 94,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.89 : 174,156.36 = 68,838.17 : x
  2. Step 2: Convert to fraction form
    126,197.89/174,156.36 = 68,838.17/x
  3. Step 3: Cross multiply
    126,197.89x = 174,156.36 × 68,838.17
  4. Step 4: Simplify right side
    126,197.89x = 11,988,606,069.67
  5. Step 5: Solve for x
    x = 11,988,606,069.67/126,197.89
  6. Step 6: Final answer
    x = 94,998.47

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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.