Home / 216,512.28-298,792.32-121,034.88

Finding the Fourth Proportional to 216,512.28, 298,792.32 and 121,034.88

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Solution

The fourth proportional to 216,512.28, 298,792.32 and 121,034.88 is: 167,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,512.28 : 298,792.32 = 121,034.88 : x
  2. Step 2: Convert to fraction form
    216,512.28/298,792.32 = 121,034.88/x
  3. Step 3: Cross multiply
    216,512.28x = 298,792.32 × 121,034.88
  4. Step 4: Simplify right side
    216,512.28x = 36,164,292,596.12
  5. Step 5: Solve for x
    x = 36,164,292,596.12/216,512.28
  6. Step 6: Final answer
    x = 167,031.14

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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.