Home / 142,107.58-213,227.85-62,135.20

Finding the Fourth Proportional to 142,107.58, 213,227.85 and 62,135.20

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Solution

The fourth proportional to 142,107.58, 213,227.85 and 62,135.20 is: 93,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,107.58 : 213,227.85 = 62,135.20 : x
  2. Step 2: Convert to fraction form
    142,107.58/213,227.85 = 62,135.20/x
  3. Step 3: Cross multiply
    142,107.58x = 213,227.85 × 62,135.20
  4. Step 4: Simplify right side
    142,107.58x = 13,248,955,105.32
  5. Step 5: Solve for x
    x = 13,248,955,105.32/142,107.58
  6. Step 6: Final answer
    x = 93,231.87

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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.