Home / 217,601.10-326,401.65-67,840.20

Finding the Fourth Proportional to 217,601.10, 326,401.65 and 67,840.20

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Solution

The fourth proportional to 217,601.10, 326,401.65 and 67,840.20 is: 101,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.10 : 326,401.65 = 67,840.20 : x
  2. Step 2: Convert to fraction form
    217,601.10/326,401.65 = 67,840.20/x
  3. Step 3: Cross multiply
    217,601.10x = 326,401.65 × 67,840.20
  4. Step 4: Simplify right side
    217,601.10x = 22,143,153,216.33
  5. Step 5: Solve for x
    x = 22,143,153,216.33/217,601.10
  6. Step 6: Final answer
    x = 101,760.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.