Home / 145,007.70-217,511.55-94,269.30

Finding the Fourth Proportional to 145,007.70, 217,511.55 and 94,269.30

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Solution

The fourth proportional to 145,007.70, 217,511.55 and 94,269.30 is: 141,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,007.70 : 217,511.55 = 94,269.30 : x
  2. Step 2: Convert to fraction form
    145,007.70/217,511.55 = 94,269.30/x
  3. Step 3: Cross multiply
    145,007.70x = 217,511.55 × 94,269.30
  4. Step 4: Simplify right side
    145,007.70x = 20,504,661,560.42
  5. Step 5: Solve for x
    x = 20,504,661,560.42/145,007.70
  6. Step 6: Final answer
    x = 141,403.95

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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.