Home / 214,501.60-321,867.60-89,855.20

Finding the Fourth Proportional to 214,501.60, 321,867.60 and 89,855.20

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Solution

The fourth proportional to 214,501.60, 321,867.60 and 89,855.20 is: 134,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,501.60 : 321,867.60 = 89,855.20 : x
  2. Step 2: Convert to fraction form
    214,501.60/321,867.60 = 89,855.20/x
  3. Step 3: Cross multiply
    214,501.60x = 321,867.60 × 89,855.20
  4. Step 4: Simplify right side
    214,501.60x = 28,921,477,571.52
  5. Step 5: Solve for x
    x = 28,921,477,571.52/214,501.60
  6. Step 6: Final answer
    x = 134,831.06

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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.