Home / 216,124.40-298,239.50-120,637.24

Finding the Fourth Proportional to 216,124.40, 298,239.50 and 120,637.24

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Solution

The fourth proportional to 216,124.40, 298,239.50 and 120,637.24 is: 166,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,124.40 : 298,239.50 = 120,637.24 : x
  2. Step 2: Convert to fraction form
    216,124.40/298,239.50 = 120,637.24/x
  3. Step 3: Cross multiply
    216,124.40x = 298,239.50 × 120,637.24
  4. Step 4: Simplify right side
    216,124.40x = 35,978,790,138.98
  5. Step 5: Solve for x
    x = 35,978,790,138.98/216,124.40
  6. Step 6: Final answer
    x = 166,472.60

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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.