Home / 100,075.74-150,113.21-40,131.02

Finding the Fourth Proportional to 100,075.74, 150,113.21 and 40,131.02

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Solution

The fourth proportional to 100,075.74, 150,113.21 and 40,131.02 is: 60,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,075.74 : 150,113.21 = 40,131.02 : x
  2. Step 2: Convert to fraction form
    100,075.74/150,113.21 = 40,131.02/x
  3. Step 3: Cross multiply
    100,075.74x = 150,113.21 × 40,131.02
  4. Step 4: Simplify right side
    100,075.74x = 6,024,195,281.55
  5. Step 5: Solve for x
    x = 6,024,195,281.55/100,075.74
  6. Step 6: Final answer
    x = 60,196.36

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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.