Home / 216,118.32-298,243.40-120,624.96

Finding the Fourth Proportional to 216,118.32, 298,243.40 and 120,624.96

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Solution

The fourth proportional to 216,118.32, 298,243.40 and 120,624.96 is: 166,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,118.32 : 298,243.40 = 120,624.96 : x
  2. Step 2: Convert to fraction form
    216,118.32/298,243.40 = 120,624.96/x
  3. Step 3: Cross multiply
    216,118.32x = 298,243.40 × 120,624.96
  4. Step 4: Simplify right side
    216,118.32x = 35,975,598,195.26
  5. Step 5: Solve for x
    x = 35,975,598,195.26/216,118.32
  6. Step 6: Final answer
    x = 166,462.51

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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.