Home / 215,948.70-298,002.51-120,471.57

Finding the Fourth Proportional to 215,948.70, 298,002.51 and 120,471.57

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Solution

The fourth proportional to 215,948.70, 298,002.51 and 120,471.57 is: 166,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,948.70 : 298,002.51 = 120,471.57 : x
  2. Step 2: Convert to fraction form
    215,948.70/298,002.51 = 120,471.57/x
  3. Step 3: Cross multiply
    215,948.70x = 298,002.51 × 120,471.57
  4. Step 4: Simplify right side
    215,948.70x = 35,900,830,243.64
  5. Step 5: Solve for x
    x = 35,900,830,243.64/215,948.70
  6. Step 6: Final answer
    x = 166,247.03

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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.