Home / 142,202.04-213,231.60-47,399.03

Finding the Fourth Proportional to 142,202.04, 213,231.60 and 47,399.03

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Solution

The fourth proportional to 142,202.04, 213,231.60 and 47,399.03 is: 71,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,202.04 : 213,231.60 = 47,399.03 : x
  2. Step 2: Convert to fraction form
    142,202.04/213,231.60 = 47,399.03/x
  3. Step 3: Cross multiply
    142,202.04x = 213,231.60 × 47,399.03
  4. Step 4: Simplify right side
    142,202.04x = 10,106,969,939.19
  5. Step 5: Solve for x
    x = 10,106,969,939.19/142,202.04
  6. Step 6: Final answer
    x = 71,074.72

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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.