Home / 146,222.82-219,334.21-79,718.87

Finding the Fourth Proportional to 146,222.82, 219,334.21 and 79,718.87

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Solution

The fourth proportional to 146,222.82, 219,334.21 and 79,718.87 is: 119,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,222.82 : 219,334.21 = 79,718.87 : x
  2. Step 2: Convert to fraction form
    146,222.82/219,334.21 = 79,718.87/x
  3. Step 3: Cross multiply
    146,222.82x = 219,334.21 × 79,718.87
  4. Step 4: Simplify right side
    146,222.82x = 17,485,075,199.02
  5. Step 5: Solve for x
    x = 17,485,075,199.02/146,222.82
  6. Step 6: Final answer
    x = 119,578.30

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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.