Home / 115,087.50-172,618.94-30,856.11

Finding the Fourth Proportional to 115,087.50, 172,618.94 and 30,856.11

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Solution

The fourth proportional to 115,087.50, 172,618.94 and 30,856.11 is: 46,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,087.50 : 172,618.94 = 30,856.11 : x
  2. Step 2: Convert to fraction form
    115,087.50/172,618.94 = 30,856.11/x
  3. Step 3: Cross multiply
    115,087.50x = 172,618.94 × 30,856.11
  4. Step 4: Simplify right side
    115,087.50x = 5,326,348,846.44
  5. Step 5: Solve for x
    x = 5,326,348,846.44/115,087.50
  6. Step 6: Final answer
    x = 46,280.86

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1.5x scale

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.