Home / 97,271.40-145,896.30-79,710.60

Finding the Fourth Proportional to 97,271.40, 145,896.30 and 79,710.60

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Solution

The fourth proportional to 97,271.40, 145,896.30 and 79,710.60 is: 119,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,271.40 : 145,896.30 = 79,710.60 : x
  2. Step 2: Convert to fraction form
    97,271.40/145,896.30 = 79,710.60/x
  3. Step 3: Cross multiply
    97,271.40x = 145,896.30 × 79,710.60
  4. Step 4: Simplify right side
    97,271.40x = 11,629,481,610.78
  5. Step 5: Solve for x
    x = 11,629,481,610.78/97,271.40
  6. Step 6: Final answer
    x = 119,557.05

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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.