Home / 216,202.81-298,347.34-120,715.55

Finding the Fourth Proportional to 216,202.81, 298,347.34 and 120,715.55

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Solution

The fourth proportional to 216,202.81, 298,347.34 and 120,715.55 is: 166,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,202.81 : 298,347.34 = 120,715.55 : x
  2. Step 2: Convert to fraction form
    216,202.81/298,347.34 = 120,715.55/x
  3. Step 3: Cross multiply
    216,202.81x = 298,347.34 × 120,715.55
  4. Step 4: Simplify right side
    216,202.81x = 36,015,162,635.56
  5. Step 5: Solve for x
    x = 36,015,162,635.56/216,202.81
  6. Step 6: Final answer
    x = 166,580.46

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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.