Home / 142,028.82-213,044.88-42,186.60

Finding the Fourth Proportional to 142,028.82, 213,044.88 and 42,186.60

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Solution

The fourth proportional to 142,028.82, 213,044.88 and 42,186.60 is: 63,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,028.82 : 213,044.88 = 42,186.60 : x
  2. Step 2: Convert to fraction form
    142,028.82/213,044.88 = 42,186.60/x
  3. Step 3: Cross multiply
    142,028.82x = 213,044.88 × 42,186.60
  4. Step 4: Simplify right side
    142,028.82x = 8,987,639,134.61
  5. Step 5: Solve for x
    x = 8,987,639,134.61/142,028.82
  6. Step 6: Final answer
    x = 63,280.39

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1.5x scale

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.