Home / 110,981.12-166,467.27-61,160

Finding the Fourth Proportional to 110,981.12, 166,467.27 and 61,160

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Solution

The fourth proportional to 110,981.12, 166,467.27 and 61,160 is: 91,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,981.12 : 166,467.27 = 61,160 : x
  2. Step 2: Convert to fraction form
    110,981.12/166,467.27 = 61,160/x
  3. Step 3: Cross multiply
    110,981.12x = 166,467.27 × 61,160
  4. Step 4: Simplify right side
    110,981.12x = 10,181,138,233.20
  5. Step 5: Solve for x
    x = 10,181,138,233.20/110,981.12
  6. Step 6: Final answer
    x = 91,737.57

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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.