Home / 215,436.90-323,167.44-65,682.06

Finding the Fourth Proportional to 215,436.90, 323,167.44 and 65,682.06

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Solution

The fourth proportional to 215,436.90, 323,167.44 and 65,682.06 is: 98,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,436.90 : 323,167.44 = 65,682.06 : x
  2. Step 2: Convert to fraction form
    215,436.90/323,167.44 = 65,682.06/x
  3. Step 3: Cross multiply
    215,436.90x = 323,167.44 × 65,682.06
  4. Step 4: Simplify right side
    215,436.90x = 21,226,303,184.13
  5. Step 5: Solve for x
    x = 21,226,303,184.13/215,436.90
  6. Step 6: Final answer
    x = 98,526.78

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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.