Home / 86,736.16-130,015.61-49,216.97

Finding the Fourth Proportional to 86,736.16, 130,015.61 and 49,216.97

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Solution

The fourth proportional to 86,736.16, 130,015.61 and 49,216.97 is: 73,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,736.16 : 130,015.61 = 49,216.97 : x
  2. Step 2: Convert to fraction form
    86,736.16/130,015.61 = 49,216.97/x
  3. Step 3: Cross multiply
    86,736.16x = 130,015.61 × 49,216.97
  4. Step 4: Simplify right side
    86,736.16x = 6,398,974,376.90
  5. Step 5: Solve for x
    x = 6,398,974,376.90/86,736.16
  6. Step 6: Final answer
    x = 73,775.16

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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.