Home / 130,621.32-196,019.36-47,515.32

Finding the Fourth Proportional to 130,621.32, 196,019.36 and 47,515.32

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Solution

The fourth proportional to 130,621.32, 196,019.36 and 47,515.32 is: 71,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,621.32 : 196,019.36 = 47,515.32 : x
  2. Step 2: Convert to fraction form
    130,621.32/196,019.36 = 47,515.32/x
  3. Step 3: Cross multiply
    130,621.32x = 196,019.36 × 47,515.32
  4. Step 4: Simplify right side
    130,621.32x = 9,313,922,735.38
  5. Step 5: Solve for x
    x = 9,313,922,735.38/130,621.32
  6. Step 6: Final answer
    x = 71,304.77

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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.