Home / 216,206.53-298,376.34-120,707.53

Finding the Fourth Proportional to 216,206.53, 298,376.34 and 120,707.53

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Solution

The fourth proportional to 216,206.53, 298,376.34 and 120,707.53 is: 166,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206.53 : 298,376.34 = 120,707.53 : x
  2. Step 2: Convert to fraction form
    216,206.53/298,376.34 = 120,707.53/x
  3. Step 3: Cross multiply
    216,206.53x = 298,376.34 × 120,707.53
  4. Step 4: Simplify right side
    216,206.53x = 36,016,272,170.59
  5. Step 5: Solve for x
    x = 36,016,272,170.59/216,206.53
  6. Step 6: Final answer
    x = 166,582.72

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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.