Home / 214,355.04-321,599.50-129,059.40

Finding the Fourth Proportional to 214,355.04, 321,599.50 and 129,059.40

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Solution

The fourth proportional to 214,355.04, 321,599.50 and 129,059.40 is: 193,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,355.04 : 321,599.50 = 129,059.40 : x
  2. Step 2: Convert to fraction form
    214,355.04/321,599.50 = 129,059.40/x
  3. Step 3: Cross multiply
    214,355.04x = 321,599.50 × 129,059.40
  4. Step 4: Simplify right side
    214,355.04x = 41,505,438,510.30
  5. Step 5: Solve for x
    x = 41,505,438,510.30/214,355.04
  6. Step 6: Final answer
    x = 193,629.40

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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.