Home / 143,021.52-197,405.98-97,717.82

Finding the Fourth Proportional to 143,021.52, 197,405.98 and 97,717.82

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Solution

The fourth proportional to 143,021.52, 197,405.98 and 97,717.82 is: 134,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,021.52 : 197,405.98 = 97,717.82 : x
  2. Step 2: Convert to fraction form
    143,021.52/197,405.98 = 97,717.82/x
  3. Step 3: Cross multiply
    143,021.52x = 197,405.98 × 97,717.82
  4. Step 4: Simplify right side
    143,021.52x = 19,290,080,789.24
  5. Step 5: Solve for x
    x = 19,290,080,789.24/143,021.52
  6. Step 6: Final answer
    x = 134,875.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.