Home / 153,181.83-229,742.32-145,586.73

Finding the Fourth Proportional to 153,181.83, 229,742.32 and 145,586.73

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Solution

The fourth proportional to 153,181.83, 229,742.32 and 145,586.73 is: 218,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,181.83 : 229,742.32 = 145,586.73 : x
  2. Step 2: Convert to fraction form
    153,181.83/229,742.32 = 145,586.73/x
  3. Step 3: Cross multiply
    153,181.83x = 229,742.32 × 145,586.73
  4. Step 4: Simplify right side
    153,181.83x = 33,447,433,111.41
  5. Step 5: Solve for x
    x = 33,447,433,111.41/153,181.83
  6. Step 6: Final answer
    x = 218,351.18

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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.