Home / 97,869.60-146,809.20-51,213.60

Finding the Fourth Proportional to 97,869.60, 146,809.20 and 51,213.60

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Solution

The fourth proportional to 97,869.60, 146,809.20 and 51,213.60 is: 76,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.60 : 146,809.20 = 51,213.60 : x
  2. Step 2: Convert to fraction form
    97,869.60/146,809.20 = 51,213.60/x
  3. Step 3: Cross multiply
    97,869.60x = 146,809.20 × 51,213.60
  4. Step 4: Simplify right side
    97,869.60x = 7,518,627,645.12
  5. Step 5: Solve for x
    x = 7,518,627,645.12/97,869.60
  6. Step 6: Final answer
    x = 76,822.91

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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.