Home / 153,489.60-230,081.76-64,765.44

Finding the Fourth Proportional to 153,489.60, 230,081.76 and 64,765.44

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Solution

The fourth proportional to 153,489.60, 230,081.76 and 64,765.44 is: 97,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,489.60 : 230,081.76 = 64,765.44 : x
  2. Step 2: Convert to fraction form
    153,489.60/230,081.76 = 64,765.44/x
  3. Step 3: Cross multiply
    153,489.60x = 230,081.76 × 64,765.44
  4. Step 4: Simplify right side
    153,489.60x = 14,901,346,422.37
  5. Step 5: Solve for x
    x = 14,901,346,422.37/153,489.60
  6. Step 6: Final answer
    x = 97,083.75

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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.