Home / 142,424.06-213,635.82-53,697.47

Finding the Fourth Proportional to 142,424.06, 213,635.82 and 53,697.47

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Solution

The fourth proportional to 142,424.06, 213,635.82 and 53,697.47 is: 80,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,424.06 : 213,635.82 = 53,697.47 : x
  2. Step 2: Convert to fraction form
    142,424.06/213,635.82 = 53,697.47/x
  3. Step 3: Cross multiply
    142,424.06x = 213,635.82 × 53,697.47
  4. Step 4: Simplify right side
    142,424.06x = 11,471,703,035.38
  5. Step 5: Solve for x
    x = 11,471,703,035.38/142,424.06
  6. Step 6: Final answer
    x = 80,546.10

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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.