Home / 142,746.68-196,901.30-91,825.79

Finding the Fourth Proportional to 142,746.68, 196,901.30 and 91,825.79

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Solution

The fourth proportional to 142,746.68, 196,901.30 and 91,825.79 is: 126,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,746.68 : 196,901.30 = 91,825.79 : x
  2. Step 2: Convert to fraction form
    142,746.68/196,901.30 = 91,825.79/x
  3. Step 3: Cross multiply
    142,746.68x = 196,901.30 × 91,825.79
  4. Step 4: Simplify right side
    142,746.68x = 18,080,618,146.34
  5. Step 5: Solve for x
    x = 18,080,618,146.34/142,746.68
  6. Step 6: Final answer
    x = 126,662.27

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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.