Home / 216,230.68-298,367.04-131,331.34

Finding the Fourth Proportional to 216,230.68, 298,367.04 and 131,331.34

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Solution

The fourth proportional to 216,230.68, 298,367.04 and 131,331.34 is: 181,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,230.68 : 298,367.04 = 131,331.34 : x
  2. Step 2: Convert to fraction form
    216,230.68/298,367.04 = 131,331.34/x
  3. Step 3: Cross multiply
    216,230.68x = 298,367.04 × 131,331.34
  4. Step 4: Simplify right side
    216,230.68x = 39,184,943,175.03
  5. Step 5: Solve for x
    x = 39,184,943,175.03/216,230.68
  6. Step 6: Final answer
    x = 181,218.24

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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.