Home / 185,225.15-255,610.32-100,342.41

Finding the Fourth Proportional to 185,225.15, 255,610.32 and 100,342.41

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Solution

The fourth proportional to 185,225.15, 255,610.32 and 100,342.41 is: 138,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,225.15 : 255,610.32 = 100,342.41 : x
  2. Step 2: Convert to fraction form
    185,225.15/255,610.32 = 100,342.41/x
  3. Step 3: Cross multiply
    185,225.15x = 255,610.32 × 100,342.41
  4. Step 4: Simplify right side
    185,225.15x = 25,648,555,529.67
  5. Step 5: Solve for x
    x = 25,648,555,529.67/185,225.15
  6. Step 6: Final answer
    x = 138,472.32

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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.