Home / 211,026.74-291,217.75-115,542.32

Finding the Fourth Proportional to 211,026.74, 291,217.75 and 115,542.32

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Solution

The fourth proportional to 211,026.74, 291,217.75 and 115,542.32 is: 159,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,026.74 : 291,217.75 = 115,542.32 : x
  2. Step 2: Convert to fraction form
    211,026.74/291,217.75 = 115,542.32/x
  3. Step 3: Cross multiply
    211,026.74x = 291,217.75 × 115,542.32
  4. Step 4: Simplify right side
    211,026.74x = 33,647,974,460.18
  5. Step 5: Solve for x
    x = 33,647,974,460.18/211,026.74
  6. Step 6: Final answer
    x = 159,448.87

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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.