Home / 112,128.77-168,221.55-37,249.28

Finding the Fourth Proportional to 112,128.77, 168,221.55 and 37,249.28

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Solution

The fourth proportional to 112,128.77, 168,221.55 and 37,249.28 is: 55,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,128.77 : 168,221.55 = 37,249.28 : x
  2. Step 2: Convert to fraction form
    112,128.77/168,221.55 = 37,249.28/x
  3. Step 3: Cross multiply
    112,128.77x = 168,221.55 × 37,249.28
  4. Step 4: Simplify right side
    112,128.77x = 6,266,131,617.98
  5. Step 5: Solve for x
    x = 6,266,131,617.98/112,128.77
  6. Step 6: Final answer
    x = 55,883.36

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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.