Home / 185,073.72-276,928.50-130,878.36

Finding the Fourth Proportional to 185,073.72, 276,928.50 and 130,878.36

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Solution

The fourth proportional to 185,073.72, 276,928.50 and 130,878.36 is: 195,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,073.72 : 276,928.50 = 130,878.36 : x
  2. Step 2: Convert to fraction form
    185,073.72/276,928.50 = 130,878.36/x
  3. Step 3: Cross multiply
    185,073.72x = 276,928.50 × 130,878.36
  4. Step 4: Simplify right side
    185,073.72x = 36,243,947,917.26
  5. Step 5: Solve for x
    x = 36,243,947,917.26/185,073.72
  6. Step 6: Final answer
    x = 195,835.19

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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.