Home / 142,270.97-213,463.82-63,331.20

Finding the Fourth Proportional to 142,270.97, 213,463.82 and 63,331.20

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Solution

The fourth proportional to 142,270.97, 213,463.82 and 63,331.20 is: 95,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270.97 : 213,463.82 = 63,331.20 : x
  2. Step 2: Convert to fraction form
    142,270.97/213,463.82 = 63,331.20/x
  3. Step 3: Cross multiply
    142,270.97x = 213,463.82 × 63,331.20
  4. Step 4: Simplify right side
    142,270.97x = 13,518,920,035.51
  5. Step 5: Solve for x
    x = 13,518,920,035.51/142,270.97
  6. Step 6: Final answer
    x = 95,022.34

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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.