Home / 196,384.13-271,040.88-115,820.51

Finding the Fourth Proportional to 196,384.13, 271,040.88 and 115,820.51

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Solution

The fourth proportional to 196,384.13, 271,040.88 and 115,820.51 is: 159,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,384.13 : 271,040.88 = 115,820.51 : x
  2. Step 2: Convert to fraction form
    196,384.13/271,040.88 = 115,820.51/x
  3. Step 3: Cross multiply
    196,384.13x = 271,040.88 × 115,820.51
  4. Step 4: Simplify right side
    196,384.13x = 31,392,092,952.45
  5. Step 5: Solve for x
    x = 31,392,092,952.45/196,384.13
  6. Step 6: Final answer
    x = 159,850.46

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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.