Home / 142,259.14-213,420.46-53,513.38

Finding the Fourth Proportional to 142,259.14, 213,420.46 and 53,513.38

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Solution

The fourth proportional to 142,259.14, 213,420.46 and 53,513.38 is: 80,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,259.14 : 213,420.46 = 53,513.38 : x
  2. Step 2: Convert to fraction form
    142,259.14/213,420.46 = 53,513.38/x
  3. Step 3: Cross multiply
    142,259.14x = 213,420.46 × 53,513.38
  4. Step 4: Simplify right side
    142,259.14x = 11,420,850,175.75
  5. Step 5: Solve for x
    x = 11,420,850,175.75/142,259.14
  6. Step 6: Final answer
    x = 80,282.01

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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.