Home / 160,031.84-240,179.04-81,168.62

Finding the Fourth Proportional to 160,031.84, 240,179.04 and 81,168.62

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Solution

The fourth proportional to 160,031.84, 240,179.04 and 81,168.62 is: 121,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,031.84 : 240,179.04 = 81,168.62 : x
  2. Step 2: Convert to fraction form
    160,031.84/240,179.04 = 81,168.62/x
  3. Step 3: Cross multiply
    160,031.84x = 240,179.04 × 81,168.62
  4. Step 4: Simplify right side
    160,031.84x = 19,495,000,028.83
  5. Step 5: Solve for x
    x = 19,495,000,028.83/160,031.84
  6. Step 6: Final answer
    x = 121,819.51

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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.