Home / 149,976.16-224,808-70,996.48

Finding the Fourth Proportional to 149,976.16, 224,808 and 70,996.48

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Solution

The fourth proportional to 149,976.16, 224,808 and 70,996.48 is: 106,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,976.16 : 224,808 = 70,996.48 : x
  2. Step 2: Convert to fraction form
    149,976.16/224,808 = 70,996.48/x
  3. Step 3: Cross multiply
    149,976.16x = 224,808 × 70,996.48
  4. Step 4: Simplify right side
    149,976.16x = 15,960,576,675.84
  5. Step 5: Solve for x
    x = 15,960,576,675.84/149,976.16
  6. Step 6: Final answer
    x = 106,420.76

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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.