Home / 181,610.64-272,620.08-76,518

Finding the Fourth Proportional to 181,610.64, 272,620.08 and 76,518

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Solution

The fourth proportional to 181,610.64, 272,620.08 and 76,518 is: 114,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,610.64 : 272,620.08 = 76,518 : x
  2. Step 2: Convert to fraction form
    181,610.64/272,620.08 = 76,518/x
  3. Step 3: Cross multiply
    181,610.64x = 272,620.08 × 76,518
  4. Step 4: Simplify right side
    181,610.64x = 20,860,343,281.44
  5. Step 5: Solve for x
    x = 20,860,343,281.44/181,610.64
  6. Step 6: Final answer
    x = 114,863.00

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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.