Home / 216,389.82-298,612.44-120,897.23

Finding the Fourth Proportional to 216,389.82, 298,612.44 and 120,897.23

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Solution

The fourth proportional to 216,389.82, 298,612.44 and 120,897.23 is: 166,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,389.82 : 298,612.44 = 120,897.23 : x
  2. Step 2: Convert to fraction form
    216,389.82/298,612.44 = 120,897.23/x
  3. Step 3: Cross multiply
    216,389.82x = 298,612.44 × 120,897.23
  4. Step 4: Simplify right side
    216,389.82x = 36,101,416,839.54
  5. Step 5: Solve for x
    x = 36,101,416,839.54/216,389.82
  6. Step 6: Final answer
    x = 166,835.10

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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.