Home / 120,458.92-166,241.38-66,746.28

Finding the Fourth Proportional to 120,458.92, 166,241.38 and 66,746.28

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Solution

The fourth proportional to 120,458.92, 166,241.38 and 66,746.28 is: 92,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458.92 : 166,241.38 = 66,746.28 : x
  2. Step 2: Convert to fraction form
    120,458.92/166,241.38 = 66,746.28/x
  3. Step 3: Cross multiply
    120,458.92x = 166,241.38 × 66,746.28
  4. Step 4: Simplify right side
    120,458.92x = 11,095,993,697.07
  5. Step 5: Solve for x
    x = 11,095,993,697.07/120,458.92
  6. Step 6: Final answer
    x = 92,114.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.