Home / 181,520.63-272,295.32-55,171.83

Finding the Fourth Proportional to 181,520.63, 272,295.32 and 55,171.83

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Solution

The fourth proportional to 181,520.63, 272,295.32 and 55,171.83 is: 82,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,520.63 : 272,295.32 = 55,171.83 : x
  2. Step 2: Convert to fraction form
    181,520.63/272,295.32 = 55,171.83/x
  3. Step 3: Cross multiply
    181,520.63x = 272,295.32 × 55,171.83
  4. Step 4: Simplify right side
    181,520.63x = 15,023,030,828.98
  5. Step 5: Solve for x
    x = 15,023,030,828.98/181,520.63
  6. Step 6: Final answer
    x = 82,762.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.