Home / 211,206.33-291,465.14-115,712.73

Finding the Fourth Proportional to 211,206.33, 291,465.14 and 115,712.73

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Solution

The fourth proportional to 211,206.33, 291,465.14 and 115,712.73 is: 159,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,206.33 : 291,465.14 = 115,712.73 : x
  2. Step 2: Convert to fraction form
    211,206.33/291,465.14 = 115,712.73/x
  3. Step 3: Cross multiply
    211,206.33x = 291,465.14 × 115,712.73
  4. Step 4: Simplify right side
    211,206.33x = 33,726,226,470.67
  5. Step 5: Solve for x
    x = 33,726,226,470.67/211,206.33
  6. Step 6: Final answer
    x = 159,683.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.