Home / 215,823.40-323,735.10-68,060.20

Finding the Fourth Proportional to 215,823.40, 323,735.10 and 68,060.20

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Solution

The fourth proportional to 215,823.40, 323,735.10 and 68,060.20 is: 102,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,823.40 : 323,735.10 = 68,060.20 : x
  2. Step 2: Convert to fraction form
    215,823.40/323,735.10 = 68,060.20/x
  3. Step 3: Cross multiply
    215,823.40x = 323,735.10 × 68,060.20
  4. Step 4: Simplify right side
    215,823.40x = 22,033,475,653.02
  5. Step 5: Solve for x
    x = 22,033,475,653.02/215,823.40
  6. Step 6: Final answer
    x = 102,090.30

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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.