Home / 216,524.98-298,778.37-119,715.76

Finding the Fourth Proportional to 216,524.98, 298,778.37 and 119,715.76

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Solution

The fourth proportional to 216,524.98, 298,778.37 and 119,715.76 is: 165,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,524.98 : 298,778.37 = 119,715.76 : x
  2. Step 2: Convert to fraction form
    216,524.98/298,778.37 = 119,715.76/x
  3. Step 3: Cross multiply
    216,524.98x = 298,778.37 × 119,715.76
  4. Step 4: Simplify right side
    216,524.98x = 35,768,478,553.42
  5. Step 5: Solve for x
    x = 35,768,478,553.42/216,524.98
  6. Step 6: Final answer
    x = 165,193.31

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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.