Home / 117,579.78-162,260.07-63,864.90

Finding the Fourth Proportional to 117,579.78, 162,260.07 and 63,864.90

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Solution

The fourth proportional to 117,579.78, 162,260.07 and 63,864.90 is: 88,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,579.78 : 162,260.07 = 63,864.90 : x
  2. Step 2: Convert to fraction form
    117,579.78/162,260.07 = 63,864.90/x
  3. Step 3: Cross multiply
    117,579.78x = 162,260.07 × 63,864.90
  4. Step 4: Simplify right side
    117,579.78x = 10,362,723,144.54
  5. Step 5: Solve for x
    x = 10,362,723,144.54/117,579.78
  6. Step 6: Final answer
    x = 88,133.55

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1.5x scale

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.