Home / 185,129.26-255,479.60-100,246.32

Finding the Fourth Proportional to 185,129.26, 255,479.60 and 100,246.32

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Solution

The fourth proportional to 185,129.26, 255,479.60 and 100,246.32 is: 138,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,129.26 : 255,479.60 = 100,246.32 : x
  2. Step 2: Convert to fraction form
    185,129.26/255,479.60 = 100,246.32/x
  3. Step 3: Cross multiply
    185,129.26x = 255,479.60 × 100,246.32
  4. Step 4: Simplify right side
    185,129.26x = 25,610,889,985.69
  5. Step 5: Solve for x
    x = 25,610,889,985.69/185,129.26
  6. Step 6: Final answer
    x = 138,340.59

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1.5x scale

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.