Home / 211,895.12-317,837.76-106,685.84

Finding the Fourth Proportional to 211,895.12, 317,837.76 and 106,685.84

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Solution

The fourth proportional to 211,895.12, 317,837.76 and 106,685.84 is: 160,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,895.12 : 317,837.76 = 106,685.84 : x
  2. Step 2: Convert to fraction form
    211,895.12/317,837.76 = 106,685.84/x
  3. Step 3: Cross multiply
    211,895.12x = 317,837.76 × 106,685.84
  4. Step 4: Simplify right side
    211,895.12x = 33,908,788,409.32
  5. Step 5: Solve for x
    x = 33,908,788,409.32/211,895.12
  6. Step 6: Final answer
    x = 160,026.28

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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.