Home / 185,418.38-255,875.55-100,533.98

Finding the Fourth Proportional to 185,418.38, 255,875.55 and 100,533.98

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Solution

The fourth proportional to 185,418.38, 255,875.55 and 100,533.98 is: 138,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,418.38 : 255,875.55 = 100,533.98 : x
  2. Step 2: Convert to fraction form
    185,418.38/255,875.55 = 100,533.98/x
  3. Step 3: Cross multiply
    185,418.38x = 255,875.55 × 100,533.98
  4. Step 4: Simplify right side
    185,418.38x = 25,724,187,426.19
  5. Step 5: Solve for x
    x = 25,724,187,426.19/185,418.38
  6. Step 6: Final answer
    x = 138,735.91

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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.