Home / 214,148.42-321,516.87-109,038.02

Finding the Fourth Proportional to 214,148.42, 321,516.87 and 109,038.02

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Solution

The fourth proportional to 214,148.42, 321,516.87 and 109,038.02 is: 163,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,148.42 : 321,516.87 = 109,038.02 : x
  2. Step 2: Convert to fraction form
    214,148.42/321,516.87 = 109,038.02/x
  3. Step 3: Cross multiply
    214,148.42x = 321,516.87 × 109,038.02
  4. Step 4: Simplify right side
    214,148.42x = 35,057,562,901.40
  5. Step 5: Solve for x
    x = 35,057,562,901.40/214,148.42
  6. Step 6: Final answer
    x = 163,706.85

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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.