Home / 215,687.46-323,532-65,927.16

Finding the Fourth Proportional to 215,687.46, 323,532 and 65,927.16

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Solution

The fourth proportional to 215,687.46, 323,532 and 65,927.16 is: 98,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,687.46 : 323,532 = 65,927.16 : x
  2. Step 2: Convert to fraction form
    215,687.46/323,532 = 65,927.16/x
  3. Step 3: Cross multiply
    215,687.46x = 323,532 × 65,927.16
  4. Step 4: Simplify right side
    215,687.46x = 21,329,545,929.12
  5. Step 5: Solve for x
    x = 21,329,545,929.12/215,687.46
  6. Step 6: Final answer
    x = 98,890.99

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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.