Home / 131,363.36-196,955.04-47,121.68

Finding the Fourth Proportional to 131,363.36, 196,955.04 and 47,121.68

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Solution

The fourth proportional to 131,363.36, 196,955.04 and 47,121.68 is: 70,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,363.36 : 196,955.04 = 47,121.68 : x
  2. Step 2: Convert to fraction form
    131,363.36/196,955.04 = 47,121.68/x
  3. Step 3: Cross multiply
    131,363.36x = 196,955.04 × 47,121.68
  4. Step 4: Simplify right side
    131,363.36x = 9,280,852,369.27
  5. Step 5: Solve for x
    x = 9,280,852,369.27/131,363.36
  6. Step 6: Final answer
    x = 70,650.24

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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.