Home / 216,330.36-298,506.24-120,824.88

Finding the Fourth Proportional to 216,330.36, 298,506.24 and 120,824.88

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Solution

The fourth proportional to 216,330.36, 298,506.24 and 120,824.88 is: 166,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,330.36 : 298,506.24 = 120,824.88 : x
  2. Step 2: Convert to fraction form
    216,330.36/298,506.24 = 120,824.88/x
  3. Step 3: Cross multiply
    216,330.36x = 298,506.24 × 120,824.88
  4. Step 4: Simplify right side
    216,330.36x = 36,066,980,627.25
  5. Step 5: Solve for x
    x = 36,066,980,627.25/216,330.36
  6. Step 6: Final answer
    x = 166,721.77

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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.