Home / 185,491.02-255,698.55-145,134.72

Finding the Fourth Proportional to 185,491.02, 255,698.55 and 145,134.72

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Solution

The fourth proportional to 185,491.02, 255,698.55 and 145,134.72 is: 200,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,491.02 : 255,698.55 = 145,134.72 : x
  2. Step 2: Convert to fraction form
    185,491.02/255,698.55 = 145,134.72/x
  3. Step 3: Cross multiply
    185,491.02x = 255,698.55 × 145,134.72
  4. Step 4: Simplify right side
    185,491.02x = 37,110,737,458.66
  5. Step 5: Solve for x
    x = 37,110,737,458.66/185,491.02
  6. Step 6: Final answer
    x = 200,067.57

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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.