Home / 197,133.10-295,772.55-78,889.30

Finding the Fourth Proportional to 197,133.10, 295,772.55 and 78,889.30

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Solution

The fourth proportional to 197,133.10, 295,772.55 and 78,889.30 is: 118,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,133.10 : 295,772.55 = 78,889.30 : x
  2. Step 2: Convert to fraction form
    197,133.10/295,772.55 = 78,889.30/x
  3. Step 3: Cross multiply
    197,133.10x = 295,772.55 × 78,889.30
  4. Step 4: Simplify right side
    197,133.10x = 23,333,289,428.72
  5. Step 5: Solve for x
    x = 23,333,289,428.72/197,133.10
  6. Step 6: Final answer
    x = 118,363.12

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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.