Home / 214,176.98-321,306.02-86,103.18

Finding the Fourth Proportional to 214,176.98, 321,306.02 and 86,103.18

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Solution

The fourth proportional to 214,176.98, 321,306.02 and 86,103.18 is: 129,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,176.98 : 321,306.02 = 86,103.18 : x
  2. Step 2: Convert to fraction form
    214,176.98/321,306.02 = 86,103.18/x
  3. Step 3: Cross multiply
    214,176.98x = 321,306.02 × 86,103.18
  4. Step 4: Simplify right side
    214,176.98x = 27,665,470,075.14
  5. Step 5: Solve for x
    x = 27,665,470,075.14/214,176.98
  6. Step 6: Final answer
    x = 129,171.07

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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.