Home / 97,880.20-146,723.10-47,919.40

Finding the Fourth Proportional to 97,880.20, 146,723.10 and 47,919.40

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Solution

The fourth proportional to 97,880.20, 146,723.10 and 47,919.40 is: 71,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880.20 : 146,723.10 = 47,919.40 : x
  2. Step 2: Convert to fraction form
    97,880.20/146,723.10 = 47,919.40/x
  3. Step 3: Cross multiply
    97,880.20x = 146,723.10 × 47,919.40
  4. Step 4: Simplify right side
    97,880.20x = 7,030,882,918.14
  5. Step 5: Solve for x
    x = 7,030,882,918.14/97,880.20
  6. Step 6: Final answer
    x = 71,831.51

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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.