Home / 211,444.09-317,323.82-85,085.46

Finding the Fourth Proportional to 211,444.09, 317,323.82 and 85,085.46

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Solution

The fourth proportional to 211,444.09, 317,323.82 and 85,085.46 is: 127,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,444.09 : 317,323.82 = 85,085.46 : x
  2. Step 2: Convert to fraction form
    211,444.09/317,323.82 = 85,085.46/x
  3. Step 3: Cross multiply
    211,444.09x = 317,323.82 × 85,085.46
  4. Step 4: Simplify right side
    211,444.09x = 26,999,643,406.37
  5. Step 5: Solve for x
    x = 26,999,643,406.37/211,444.09
  6. Step 6: Final answer
    x = 127,691.65

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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.