Home / 148,247.66-222,241.34-77,020.32

Finding the Fourth Proportional to 148,247.66, 222,241.34 and 77,020.32

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Solution

The fourth proportional to 148,247.66, 222,241.34 and 77,020.32 is: 115,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,247.66 : 222,241.34 = 77,020.32 : x
  2. Step 2: Convert to fraction form
    148,247.66/222,241.34 = 77,020.32/x
  3. Step 3: Cross multiply
    148,247.66x = 222,241.34 × 77,020.32
  4. Step 4: Simplify right side
    148,247.66x = 17,117,099,124.03
  5. Step 5: Solve for x
    x = 17,117,099,124.03/148,247.66
  6. Step 6: Final answer
    x = 115,462.86

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1.5x scale

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.