Home / 142,396.43-213,605.60-42,548.94

Finding the Fourth Proportional to 142,396.43, 213,605.60 and 42,548.94

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Solution

The fourth proportional to 142,396.43, 213,605.60 and 42,548.94 is: 63,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,396.43 : 213,605.60 = 42,548.94 : x
  2. Step 2: Convert to fraction form
    142,396.43/213,605.60 = 42,548.94/x
  3. Step 3: Cross multiply
    142,396.43x = 213,605.60 × 42,548.94
  4. Step 4: Simplify right side
    142,396.43x = 9,088,691,645.32
  5. Step 5: Solve for x
    x = 9,088,691,645.32/142,396.43
  6. Step 6: Final answer
    x = 63,826.68

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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.