Home / 216,229.68-298,365.66-131,330.34

Finding the Fourth Proportional to 216,229.68, 298,365.66 and 131,330.34

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Solution

The fourth proportional to 216,229.68, 298,365.66 and 131,330.34 is: 181,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,229.68 : 298,365.66 = 131,330.34 : x
  2. Step 2: Convert to fraction form
    216,229.68/298,365.66 = 131,330.34/x
  3. Step 3: Cross multiply
    216,229.68x = 298,365.66 × 131,330.34
  4. Step 4: Simplify right side
    216,229.68x = 39,184,463,572.12
  5. Step 5: Solve for x
    x = 39,184,463,572.12/216,229.68
  6. Step 6: Final answer
    x = 181,216.86

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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.