Home / 196,501.05-294,813.85-70,138.50

Finding the Fourth Proportional to 196,501.05, 294,813.85 and 70,138.50

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Solution

The fourth proportional to 196,501.05, 294,813.85 and 70,138.50 is: 105,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,501.05 : 294,813.85 = 70,138.50 : x
  2. Step 2: Convert to fraction form
    196,501.05/294,813.85 = 70,138.50/x
  3. Step 3: Cross multiply
    196,501.05x = 294,813.85 × 70,138.50
  4. Step 4: Simplify right side
    196,501.05x = 20,677,801,218.23
  5. Step 5: Solve for x
    x = 20,677,801,218.23/196,501.05
  6. Step 6: Final answer
    x = 105,229.98

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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.