Home / 185,021.86-255,336.80-104,463.72

Finding the Fourth Proportional to 185,021.86, 255,336.80 and 104,463.72

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Solution

The fourth proportional to 185,021.86, 255,336.80 and 104,463.72 is: 144,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,021.86 : 255,336.80 = 104,463.72 : x
  2. Step 2: Convert to fraction form
    185,021.86/255,336.80 = 104,463.72/x
  3. Step 3: Cross multiply
    185,021.86x = 255,336.80 × 104,463.72
  4. Step 4: Simplify right side
    185,021.86x = 26,673,431,980.90
  5. Step 5: Solve for x
    x = 26,673,431,980.90/185,021.86
  6. Step 6: Final answer
    x = 144,163.68

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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.