Home / 211,777.99-317,667.10-132,947.58

Finding the Fourth Proportional to 211,777.99, 317,667.10 and 132,947.58

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Solution

The fourth proportional to 211,777.99, 317,667.10 and 132,947.58 is: 199,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,777.99 : 317,667.10 = 132,947.58 : x
  2. Step 2: Convert to fraction form
    211,777.99/317,667.10 = 132,947.58/x
  3. Step 3: Cross multiply
    211,777.99x = 317,667.10 × 132,947.58
  4. Step 4: Simplify right side
    211,777.99x = 42,233,071,728.82
  5. Step 5: Solve for x
    x = 42,233,071,728.82/211,777.99
  6. Step 6: Final answer
    x = 199,421.44

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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.