Home / 210,005.07-289,812.97-114,517

Finding the Fourth Proportional to 210,005.07, 289,812.97 and 114,517

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Solution

The fourth proportional to 210,005.07, 289,812.97 and 114,517 is: 158,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.07 : 289,812.97 = 114,517 : x
  2. Step 2: Convert to fraction form
    210,005.07/289,812.97 = 114,517/x
  3. Step 3: Cross multiply
    210,005.07x = 289,812.97 × 114,517
  4. Step 4: Simplify right side
    210,005.07x = 33,188,511,885.49
  5. Step 5: Solve for x
    x = 33,188,511,885.49/210,005.07
  6. Step 6: Final answer
    x = 158,036.72

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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.