Home / 77,962.71-116,943.03-18,797.91

Finding the Fourth Proportional to 77,962.71, 116,943.03 and 18,797.91

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Solution

The fourth proportional to 77,962.71, 116,943.03 and 18,797.91 is: 28,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962.71 : 116,943.03 = 18,797.91 : x
  2. Step 2: Convert to fraction form
    77,962.71/116,943.03 = 18,797.91/x
  3. Step 3: Cross multiply
    77,962.71x = 116,943.03 × 18,797.91
  4. Step 4: Simplify right side
    77,962.71x = 2,198,284,553.07
  5. Step 5: Solve for x
    x = 2,198,284,553.07/77,962.71
  6. Step 6: Final answer
    x = 28,196.62

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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.