Home / 147,541.06-203,620.08-83,878.71

Finding the Fourth Proportional to 147,541.06, 203,620.08 and 83,878.71

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Solution

The fourth proportional to 147,541.06, 203,620.08 and 83,878.71 is: 115,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541.06 : 203,620.08 = 83,878.71 : x
  2. Step 2: Convert to fraction form
    147,541.06/203,620.08 = 83,878.71/x
  3. Step 3: Cross multiply
    147,541.06x = 203,620.08 × 83,878.71
  4. Step 4: Simplify right side
    147,541.06x = 17,079,388,719.65
  5. Step 5: Solve for x
    x = 17,079,388,719.65/147,541.06
  6. Step 6: Final answer
    x = 115,760.24

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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.