Home / 85,295.08-127,942.62-70,672.36

Finding the Fourth Proportional to 85,295.08, 127,942.62 and 70,672.36

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Solution

The fourth proportional to 85,295.08, 127,942.62 and 70,672.36 is: 106,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.08 : 127,942.62 = 70,672.36 : x
  2. Step 2: Convert to fraction form
    85,295.08/127,942.62 = 70,672.36/x
  3. Step 3: Cross multiply
    85,295.08x = 127,942.62 × 70,672.36
  4. Step 4: Simplify right side
    85,295.08x = 9,042,006,899.98
  5. Step 5: Solve for x
    x = 9,042,006,899.98/85,295.08
  6. Step 6: Final answer
    x = 106,008.54

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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.