Home / 211,777.96-317,667.06-132,947.55

Finding the Fourth Proportional to 211,777.96, 317,667.06 and 132,947.55

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Solution

The fourth proportional to 211,777.96, 317,667.06 and 132,947.55 is: 199,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,777.96 : 317,667.06 = 132,947.55 : x
  2. Step 2: Convert to fraction form
    211,777.96/317,667.06 = 132,947.55/x
  3. Step 3: Cross multiply
    211,777.96x = 317,667.06 × 132,947.55
  4. Step 4: Simplify right side
    211,777.96x = 42,233,056,216.17
  5. Step 5: Solve for x
    x = 42,233,056,216.17/211,777.96
  6. Step 6: Final answer
    x = 199,421.39

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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.