Home / 185,228.02-255,614.43-100,345.42

Finding the Fourth Proportional to 185,228.02, 255,614.43 and 100,345.42

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Solution

The fourth proportional to 185,228.02, 255,614.43 and 100,345.42 is: 138,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,228.02 : 255,614.43 = 100,345.42 : x
  2. Step 2: Convert to fraction form
    185,228.02/255,614.43 = 100,345.42/x
  3. Step 3: Cross multiply
    185,228.02x = 255,614.43 × 100,345.42
  4. Step 4: Simplify right side
    185,228.02x = 25,649,737,336.41
  5. Step 5: Solve for x
    x = 25,649,737,336.41/185,228.02
  6. Step 6: Final answer
    x = 138,476.55

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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.