Home / 70,731.85-106,097.81-18,141.34

Finding the Fourth Proportional to 70,731.85, 106,097.81 and 18,141.34

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Solution

The fourth proportional to 70,731.85, 106,097.81 and 18,141.34 is: 27,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,731.85 : 106,097.81 = 18,141.34 : x
  2. Step 2: Convert to fraction form
    70,731.85/106,097.81 = 18,141.34/x
  3. Step 3: Cross multiply
    70,731.85x = 106,097.81 × 18,141.34
  4. Step 4: Simplify right side
    70,731.85x = 1,924,755,927.20
  5. Step 5: Solve for x
    x = 1,924,755,927.20/70,731.85
  6. Step 6: Final answer
    x = 27,212.01

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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.