Home / 142,634.52-213,835.14-53,837.46

Finding the Fourth Proportional to 142,634.52, 213,835.14 and 53,837.46

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Solution

The fourth proportional to 142,634.52, 213,835.14 and 53,837.46 is: 80,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,634.52 : 213,835.14 = 53,837.46 : x
  2. Step 2: Convert to fraction form
    142,634.52/213,835.14 = 53,837.46/x
  3. Step 3: Cross multiply
    142,634.52x = 213,835.14 × 53,837.46
  4. Step 4: Simplify right side
    142,634.52x = 11,512,340,796.34
  5. Step 5: Solve for x
    x = 11,512,340,796.34/142,634.52
  6. Step 6: Final answer
    x = 80,712.16

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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.