Home / 212,001.21-292,579.62-144,168.66

Finding the Fourth Proportional to 212,001.21, 292,579.62 and 144,168.66

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Solution

The fourth proportional to 212,001.21, 292,579.62 and 144,168.66 is: 198,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,001.21 : 292,579.62 = 144,168.66 : x
  2. Step 2: Convert to fraction form
    212,001.21/292,579.62 = 144,168.66/x
  3. Step 3: Cross multiply
    212,001.21x = 292,579.62 × 144,168.66
  4. Step 4: Simplify right side
    212,001.21x = 42,180,811,758.71
  5. Step 5: Solve for x
    x = 42,180,811,758.71/212,001.21
  6. Step 6: Final answer
    x = 198,964.96

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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.