Home / 207,901.78-311,852.50-50,130.16

Finding the Fourth Proportional to 207,901.78, 311,852.50 and 50,130.16

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Solution

The fourth proportional to 207,901.78, 311,852.50 and 50,130.16 is: 75,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,901.78 : 311,852.50 = 50,130.16 : x
  2. Step 2: Convert to fraction form
    207,901.78/311,852.50 = 50,130.16/x
  3. Step 3: Cross multiply
    207,901.78x = 311,852.50 × 50,130.16
  4. Step 4: Simplify right side
    207,901.78x = 15,633,215,721.40
  5. Step 5: Solve for x
    x = 15,633,215,721.40/207,901.78
  6. Step 6: Final answer
    x = 75,195.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.