Home / 214,075.80-321,112.76-54,153.23

Finding the Fourth Proportional to 214,075.80, 321,112.76 and 54,153.23

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Solution

The fourth proportional to 214,075.80, 321,112.76 and 54,153.23 is: 81,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,075.80 : 321,112.76 = 54,153.23 : x
  2. Step 2: Convert to fraction form
    214,075.80/321,112.76 = 54,153.23/x
  3. Step 3: Cross multiply
    214,075.80x = 321,112.76 × 54,153.23
  4. Step 4: Simplify right side
    214,075.80x = 17,389,291,271.88
  5. Step 5: Solve for x
    x = 17,389,291,271.88/214,075.80
  6. Step 6: Final answer
    x = 81,229.60

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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.