Home / 120,947.11-181,442.60-49,830.26

Finding the Fourth Proportional to 120,947.11, 181,442.60 and 49,830.26

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Solution

The fourth proportional to 120,947.11, 181,442.60 and 49,830.26 is: 74,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,947.11 : 181,442.60 = 49,830.26 : x
  2. Step 2: Convert to fraction form
    120,947.11/181,442.60 = 49,830.26/x
  3. Step 3: Cross multiply
    120,947.11x = 181,442.60 × 49,830.26
  4. Step 4: Simplify right side
    120,947.11x = 9,041,330,963.58
  5. Step 5: Solve for x
    x = 9,041,330,963.58/120,947.11
  6. Step 6: Final answer
    x = 74,754.42

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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.