Home / 216,312.96-298,511.28-120,819.84

Finding the Fourth Proportional to 216,312.96, 298,511.28 and 120,819.84

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Solution

The fourth proportional to 216,312.96, 298,511.28 and 120,819.84 is: 166,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,312.96 : 298,511.28 = 120,819.84 : x
  2. Step 2: Convert to fraction form
    216,312.96/298,511.28 = 120,819.84/x
  3. Step 3: Cross multiply
    216,312.96x = 298,511.28 × 120,819.84
  4. Step 4: Simplify right side
    216,312.96x = 36,066,085,087.80
  5. Step 5: Solve for x
    x = 36,066,085,087.80/216,312.96
  6. Step 6: Final answer
    x = 166,731.04

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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.