Home / 185,111.08-277,631.31-90,246.04

Finding the Fourth Proportional to 185,111.08, 277,631.31 and 90,246.04

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Solution

The fourth proportional to 185,111.08, 277,631.31 and 90,246.04 is: 135,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,111.08 : 277,631.31 = 90,246.04 : x
  2. Step 2: Convert to fraction form
    185,111.08/277,631.31 = 90,246.04/x
  3. Step 3: Cross multiply
    185,111.08x = 277,631.31 × 90,246.04
  4. Step 4: Simplify right side
    185,111.08x = 25,055,126,307.51
  5. Step 5: Solve for x
    x = 25,055,126,307.51/185,111.08
  6. Step 6: Final answer
    x = 135,351.85

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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.