Home / 211,154.13-316,745.98-84,794.37

Finding the Fourth Proportional to 211,154.13, 316,745.98 and 84,794.37

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Solution

The fourth proportional to 211,154.13, 316,745.98 and 84,794.37 is: 127,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,154.13 : 316,745.98 = 84,794.37 : x
  2. Step 2: Convert to fraction form
    211,154.13/316,745.98 = 84,794.37/x
  3. Step 3: Cross multiply
    211,154.13x = 316,745.98 × 84,794.37
  4. Step 4: Simplify right side
    211,154.13x = 26,858,274,424.35
  5. Step 5: Solve for x
    x = 26,858,274,424.35/211,154.13
  6. Step 6: Final answer
    x = 127,197.49

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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.