Home / 197,511.12-272,563.41-106,865.10

Finding the Fourth Proportional to 197,511.12, 272,563.41 and 106,865.10

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Solution

The fourth proportional to 197,511.12, 272,563.41 and 106,865.10 is: 147,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,511.12 : 272,563.41 = 106,865.10 : x
  2. Step 2: Convert to fraction form
    197,511.12/272,563.41 = 106,865.10/x
  3. Step 3: Cross multiply
    197,511.12x = 272,563.41 × 106,865.10
  4. Step 4: Simplify right side
    197,511.12x = 29,127,516,065.99
  5. Step 5: Solve for x
    x = 29,127,516,065.99/197,511.12
  6. Step 6: Final answer
    x = 147,472.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.