Home / 112,288.36-168,412.38-29,177.32

Finding the Fourth Proportional to 112,288.36, 168,412.38 and 29,177.32

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Solution

The fourth proportional to 112,288.36, 168,412.38 and 29,177.32 is: 43,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.36 : 168,412.38 = 29,177.32 : x
  2. Step 2: Convert to fraction form
    112,288.36/168,412.38 = 29,177.32/x
  3. Step 3: Cross multiply
    112,288.36x = 168,412.38 × 29,177.32
  4. Step 4: Simplify right side
    112,288.36x = 4,913,821,903.22
  5. Step 5: Solve for x
    x = 4,913,821,903.22/112,288.36
  6. Step 6: Final answer
    x = 43,760.74

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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.