Home / 142,480.62-213,742.80-48,964.50

Finding the Fourth Proportional to 142,480.62, 213,742.80 and 48,964.50

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Solution

The fourth proportional to 142,480.62, 213,742.80 and 48,964.50 is: 73,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,480.62 : 213,742.80 = 48,964.50 : x
  2. Step 2: Convert to fraction form
    142,480.62/213,742.80 = 48,964.50/x
  3. Step 3: Cross multiply
    142,480.62x = 213,742.80 × 48,964.50
  4. Step 4: Simplify right side
    142,480.62x = 10,465,809,330.60
  5. Step 5: Solve for x
    x = 10,465,809,330.60/142,480.62
  6. Step 6: Final answer
    x = 73,454.27

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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.