Home / 142,048.82-213,074.88-42,206.60

Finding the Fourth Proportional to 142,048.82, 213,074.88 and 42,206.60

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Solution

The fourth proportional to 142,048.82, 213,074.88 and 42,206.60 is: 63,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048.82 : 213,074.88 = 42,206.60 : x
  2. Step 2: Convert to fraction form
    142,048.82/213,074.88 = 42,206.60/x
  3. Step 3: Cross multiply
    142,048.82x = 213,074.88 × 42,206.60
  4. Step 4: Simplify right side
    142,048.82x = 8,993,166,230.21
  5. Step 5: Solve for x
    x = 8,993,166,230.21/142,048.82
  6. Step 6: Final answer
    x = 63,310.39

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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.