Home / 161,231.60-241,555.80-131,488.40

Finding the Fourth Proportional to 161,231.60, 241,555.80 and 131,488.40

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Solution

The fourth proportional to 161,231.60, 241,555.80 and 131,488.40 is: 196,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,231.60 : 241,555.80 = 131,488.40 : x
  2. Step 2: Convert to fraction form
    161,231.60/241,555.80 = 131,488.40/x
  3. Step 3: Cross multiply
    161,231.60x = 241,555.80 × 131,488.40
  4. Step 4: Simplify right side
    161,231.60x = 31,761,785,652.72
  5. Step 5: Solve for x
    x = 31,761,785,652.72/161,231.60
  6. Step 6: Final answer
    x = 196,994.79

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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.