Home / 120,467.90-166,242.93-69,480.72

Finding the Fourth Proportional to 120,467.90, 166,242.93 and 69,480.72

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Solution

The fourth proportional to 120,467.90, 166,242.93 and 69,480.72 is: 95,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,467.90 : 166,242.93 = 69,480.72 : x
  2. Step 2: Convert to fraction form
    120,467.90/166,242.93 = 69,480.72/x
  3. Step 3: Cross multiply
    120,467.90x = 166,242.93 × 69,480.72
  4. Step 4: Simplify right side
    120,467.90x = 11,550,678,471.31
  5. Step 5: Solve for x
    x = 11,550,678,471.31/120,467.90
  6. Step 6: Final answer
    x = 95,881.80

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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.