Home / 181,818.06-272,840.67-69,507.78

Finding the Fourth Proportional to 181,818.06, 272,840.67 and 69,507.78

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Solution

The fourth proportional to 181,818.06, 272,840.67 and 69,507.78 is: 104,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,818.06 : 272,840.67 = 69,507.78 : x
  2. Step 2: Convert to fraction form
    181,818.06/272,840.67 = 69,507.78/x
  3. Step 3: Cross multiply
    181,818.06x = 272,840.67 × 69,507.78
  4. Step 4: Simplify right side
    181,818.06x = 18,964,549,265.41
  5. Step 5: Solve for x
    x = 18,964,549,265.41/181,818.06
  6. Step 6: Final answer
    x = 104,305.09

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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.