Home / 165,627.84-248,365.32-53,287.20

Finding the Fourth Proportional to 165,627.84, 248,365.32 and 53,287.20

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Solution

The fourth proportional to 165,627.84, 248,365.32 and 53,287.20 is: 79,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,627.84 : 248,365.32 = 53,287.20 : x
  2. Step 2: Convert to fraction form
    165,627.84/248,365.32 = 53,287.20/x
  3. Step 3: Cross multiply
    165,627.84x = 248,365.32 × 53,287.20
  4. Step 4: Simplify right side
    165,627.84x = 13,234,692,479.90
  5. Step 5: Solve for x
    x = 13,234,692,479.90/165,627.84
  6. Step 6: Final answer
    x = 79,906.21

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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.