Home / 98,643.06-148,075.16-39,519.95

Finding the Fourth Proportional to 98,643.06, 148,075.16 and 39,519.95

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Solution

The fourth proportional to 98,643.06, 148,075.16 and 39,519.95 is: 59,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,643.06 : 148,075.16 = 39,519.95 : x
  2. Step 2: Convert to fraction form
    98,643.06/148,075.16 = 39,519.95/x
  3. Step 3: Cross multiply
    98,643.06x = 148,075.16 × 39,519.95
  4. Step 4: Simplify right side
    98,643.06x = 5,851,922,919.44
  5. Step 5: Solve for x
    x = 5,851,922,919.44/98,643.06
  6. Step 6: Final answer
    x = 59,324.22

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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.