Home / 214,100.61-321,150.91-89,354.13

Finding the Fourth Proportional to 214,100.61, 321,150.91 and 89,354.13

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Solution

The fourth proportional to 214,100.61, 321,150.91 and 89,354.13 is: 134,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,100.61 : 321,150.91 = 89,354.13 : x
  2. Step 2: Convert to fraction form
    214,100.61/321,150.91 = 89,354.13/x
  3. Step 3: Cross multiply
    214,100.61x = 321,150.91 × 89,354.13
  4. Step 4: Simplify right side
    214,100.61x = 28,696,160,161.76
  5. Step 5: Solve for x
    x = 28,696,160,161.76/214,100.61
  6. Step 6: Final answer
    x = 134,031.19

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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.