Home / 216,134.16-298,255.32-120,638.76

Finding the Fourth Proportional to 216,134.16, 298,255.32 and 120,638.76

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Solution

The fourth proportional to 216,134.16, 298,255.32 and 120,638.76 is: 166,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,134.16 : 298,255.32 = 120,638.76 : x
  2. Step 2: Convert to fraction form
    216,134.16/298,255.32 = 120,638.76/x
  3. Step 3: Cross multiply
    216,134.16x = 298,255.32 × 120,638.76
  4. Step 4: Simplify right side
    216,134.16x = 35,981,151,968.20
  5. Step 5: Solve for x
    x = 35,981,151,968.20/216,134.16
  6. Step 6: Final answer
    x = 166,476.01

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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.