Home / 185,260.19-255,659.12-100,377.25

Finding the Fourth Proportional to 185,260.19, 255,659.12 and 100,377.25

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Solution

The fourth proportional to 185,260.19, 255,659.12 and 100,377.25 is: 138,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,260.19 : 255,659.12 = 100,377.25 : x
  2. Step 2: Convert to fraction form
    185,260.19/255,659.12 = 100,377.25/x
  3. Step 3: Cross multiply
    185,260.19x = 255,659.12 × 100,377.25
  4. Step 4: Simplify right side
    185,260.19x = 25,662,358,638.40
  5. Step 5: Solve for x
    x = 25,662,358,638.40/185,260.19
  6. Step 6: Final answer
    x = 138,520.64

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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.