Home / 211,443.36-291,795.84-115,944.36

Finding the Fourth Proportional to 211,443.36, 291,795.84 and 115,944.36

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Solution

The fourth proportional to 211,443.36, 291,795.84 and 115,944.36 is: 160,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,443.36 : 291,795.84 = 115,944.36 : x
  2. Step 2: Convert to fraction form
    211,443.36/291,795.84 = 115,944.36/x
  3. Step 3: Cross multiply
    211,443.36x = 291,795.84 × 115,944.36
  4. Step 4: Simplify right side
    211,443.36x = 33,832,081,919.46
  5. Step 5: Solve for x
    x = 33,832,081,919.46/211,443.36
  6. Step 6: Final answer
    x = 160,005.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.