Home / 143,484.01-197,954.45-89,748.61

Finding the Fourth Proportional to 143,484.01, 197,954.45 and 89,748.61

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Solution

The fourth proportional to 143,484.01, 197,954.45 and 89,748.61 is: 123,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,484.01 : 197,954.45 = 89,748.61 : x
  2. Step 2: Convert to fraction form
    143,484.01/197,954.45 = 89,748.61/x
  3. Step 3: Cross multiply
    143,484.01x = 197,954.45 × 89,748.61
  4. Step 4: Simplify right side
    143,484.01x = 17,766,136,123.74
  5. Step 5: Solve for x
    x = 17,766,136,123.74/143,484.01
  6. Step 6: Final answer
    x = 123,819.63

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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.