Home / 147,964.96-204,191.67-79,981.75

Finding the Fourth Proportional to 147,964.96, 204,191.67 and 79,981.75

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Solution

The fourth proportional to 147,964.96, 204,191.67 and 79,981.75 is: 110,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.96 : 204,191.67 = 79,981.75 : x
  2. Step 2: Convert to fraction form
    147,964.96/204,191.67 = 79,981.75/x
  3. Step 3: Cross multiply
    147,964.96x = 204,191.67 × 79,981.75
  4. Step 4: Simplify right side
    147,964.96x = 16,331,607,102.02
  5. Step 5: Solve for x
    x = 16,331,607,102.02/147,964.96
  6. Step 6: Final answer
    x = 110,374.83

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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.