Home / 185,158.41-255,518.60-100,275.47

Finding the Fourth Proportional to 185,158.41, 255,518.60 and 100,275.47

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Solution

The fourth proportional to 185,158.41, 255,518.60 and 100,275.47 is: 138,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,158.41 : 255,518.60 = 100,275.47 : x
  2. Step 2: Convert to fraction form
    185,158.41/255,518.60 = 100,275.47/x
  3. Step 3: Cross multiply
    185,158.41x = 255,518.60 × 100,275.47
  4. Step 4: Simplify right side
    185,158.41x = 25,622,247,452.02
  5. Step 5: Solve for x
    x = 25,622,247,452.02/185,158.41
  6. Step 6: Final answer
    x = 138,380.15

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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.