Home / 216,466.20-298,529.94-135,901.23

Finding the Fourth Proportional to 216,466.20, 298,529.94 and 135,901.23

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Solution

The fourth proportional to 216,466.20, 298,529.94 and 135,901.23 is: 187,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,466.20 : 298,529.94 = 135,901.23 : x
  2. Step 2: Convert to fraction form
    216,466.20/298,529.94 = 135,901.23/x
  3. Step 3: Cross multiply
    216,466.20x = 298,529.94 × 135,901.23
  4. Step 4: Simplify right side
    216,466.20x = 40,570,586,037.83
  5. Step 5: Solve for x
    x = 40,570,586,037.83/216,466.20
  6. Step 6: Final answer
    x = 187,422.27

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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.