Home / 120,669.78-181,005.27-49,631.16

Finding the Fourth Proportional to 120,669.78, 181,005.27 and 49,631.16

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Solution

The fourth proportional to 120,669.78, 181,005.27 and 49,631.16 is: 74,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,669.78 : 181,005.27 = 49,631.16 : x
  2. Step 2: Convert to fraction form
    120,669.78/181,005.27 = 49,631.16/x
  3. Step 3: Cross multiply
    120,669.78x = 181,005.27 × 49,631.16
  4. Step 4: Simplify right side
    120,669.78x = 8,983,501,516.21
  5. Step 5: Solve for x
    x = 8,983,501,516.21/120,669.78
  6. Step 6: Final answer
    x = 74,446.99

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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.