Home / 97,881.20-146,677.68-43,780.28

Finding the Fourth Proportional to 97,881.20, 146,677.68 and 43,780.28

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Solution

The fourth proportional to 97,881.20, 146,677.68 and 43,780.28 is: 65,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,881.20 : 146,677.68 = 43,780.28 : x
  2. Step 2: Convert to fraction form
    97,881.20/146,677.68 = 43,780.28/x
  3. Step 3: Cross multiply
    97,881.20x = 146,677.68 × 43,780.28
  4. Step 4: Simplify right side
    97,881.20x = 6,421,589,900.15
  5. Step 5: Solve for x
    x = 6,421,589,900.15/97,881.20
  6. Step 6: Final answer
    x = 65,605.96

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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.