Home / 150,924.22-208,266.68-86,396.80

Finding the Fourth Proportional to 150,924.22, 208,266.68 and 86,396.80

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Solution

The fourth proportional to 150,924.22, 208,266.68 and 86,396.80 is: 119,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,924.22 : 208,266.68 = 86,396.80 : x
  2. Step 2: Convert to fraction form
    150,924.22/208,266.68 = 86,396.80/x
  3. Step 3: Cross multiply
    150,924.22x = 208,266.68 × 86,396.80
  4. Step 4: Simplify right side
    150,924.22x = 17,993,574,698.62
  5. Step 5: Solve for x
    x = 17,993,574,698.62/150,924.22
  6. Step 6: Final answer
    x = 119,222.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.