Home / 155,217.64-213,899.94-110,427.88

Finding the Fourth Proportional to 155,217.64, 213,899.94 and 110,427.88

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Solution

The fourth proportional to 155,217.64, 213,899.94 and 110,427.88 is: 152,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,217.64 : 213,899.94 = 110,427.88 : x
  2. Step 2: Convert to fraction form
    155,217.64/213,899.94 = 110,427.88/x
  3. Step 3: Cross multiply
    155,217.64x = 213,899.94 × 110,427.88
  4. Step 4: Simplify right side
    155,217.64x = 23,620,516,906.33
  5. Step 5: Solve for x
    x = 23,620,516,906.33/155,217.64
  6. Step 6: Final answer
    x = 152,176.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.