Home / 97,858.20-146,811.30-45,256.60

Finding the Fourth Proportional to 97,858.20, 146,811.30 and 45,256.60

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Solution

The fourth proportional to 97,858.20, 146,811.30 and 45,256.60 is: 67,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,858.20 : 146,811.30 = 45,256.60 : x
  2. Step 2: Convert to fraction form
    97,858.20/146,811.30 = 45,256.60/x
  3. Step 3: Cross multiply
    97,858.20x = 146,811.30 × 45,256.60
  4. Step 4: Simplify right side
    97,858.20x = 6,644,180,279.58
  5. Step 5: Solve for x
    x = 6,644,180,279.58/97,858.20
  6. Step 6: Final answer
    x = 67,896.00

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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.