Home / 112,002.45-168,003.36-92,239.26

Finding the Fourth Proportional to 112,002.45, 168,003.36 and 92,239.26

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Solution

The fourth proportional to 112,002.45, 168,003.36 and 92,239.26 is: 138,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.45 : 168,003.36 = 92,239.26 : x
  2. Step 2: Convert to fraction form
    112,002.45/168,003.36 = 92,239.26/x
  3. Step 3: Cross multiply
    112,002.45x = 168,003.36 × 92,239.26
  4. Step 4: Simplify right side
    112,002.45x = 15,496,505,603.91
  5. Step 5: Solve for x
    x = 15,496,505,603.91/112,002.45
  6. Step 6: Final answer
    x = 138,358.63

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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.