Home / 216,047.90-298,146.30-120,554.66

Finding the Fourth Proportional to 216,047.90, 298,146.30 and 120,554.66

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Solution

The fourth proportional to 216,047.90, 298,146.30 and 120,554.66 is: 166,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,047.90 : 298,146.30 = 120,554.66 : x
  2. Step 2: Convert to fraction form
    216,047.90/298,146.30 = 120,554.66/x
  3. Step 3: Cross multiply
    216,047.90x = 298,146.30 × 120,554.66
  4. Step 4: Simplify right side
    216,047.90x = 35,942,925,826.76
  5. Step 5: Solve for x
    x = 35,942,925,826.76/216,047.90
  6. Step 6: Final answer
    x = 166,365.54

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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.