Home / 146,774.70-220,162.05-145,853.10

Finding the Fourth Proportional to 146,774.70, 220,162.05 and 145,853.10

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Solution

The fourth proportional to 146,774.70, 220,162.05 and 145,853.10 is: 218,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774.70 : 220,162.05 = 145,853.10 : x
  2. Step 2: Convert to fraction form
    146,774.70/220,162.05 = 145,853.10/x
  3. Step 3: Cross multiply
    146,774.70x = 220,162.05 × 145,853.10
  4. Step 4: Simplify right side
    146,774.70x = 32,111,317,494.86
  5. Step 5: Solve for x
    x = 32,111,317,494.86/146,774.70
  6. Step 6: Final answer
    x = 218,779.65

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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.