Home / 214,130.10-321,119.55-73,856.10

Finding the Fourth Proportional to 214,130.10, 321,119.55 and 73,856.10

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Solution

The fourth proportional to 214,130.10, 321,119.55 and 73,856.10 is: 110,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,130.10 : 321,119.55 = 73,856.10 : x
  2. Step 2: Convert to fraction form
    214,130.10/321,119.55 = 73,856.10/x
  3. Step 3: Cross multiply
    214,130.10x = 321,119.55 × 73,856.10
  4. Step 4: Simplify right side
    214,130.10x = 23,716,637,596.76
  5. Step 5: Solve for x
    x = 23,716,637,596.76/214,130.10
  6. Step 6: Final answer
    x = 110,758.07

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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.