Home / 211,935.36-317,932.56-71,656.32

Finding the Fourth Proportional to 211,935.36, 317,932.56 and 71,656.32

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Solution

The fourth proportional to 211,935.36, 317,932.56 and 71,656.32 is: 107,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,935.36 : 317,932.56 = 71,656.32 : x
  2. Step 2: Convert to fraction form
    211,935.36/317,932.56 = 71,656.32/x
  3. Step 3: Cross multiply
    211,935.36x = 317,932.56 × 71,656.32
  4. Step 4: Simplify right side
    211,935.36x = 22,781,877,257.78
  5. Step 5: Solve for x
    x = 22,781,877,257.78/211,935.36
  6. Step 6: Final answer
    x = 107,494.46

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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.