Home / 142,907.58-197,166.96-82,470.24

Finding the Fourth Proportional to 142,907.58, 197,166.96 and 82,470.24

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Solution

The fourth proportional to 142,907.58, 197,166.96 and 82,470.24 is: 113,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,907.58 : 197,166.96 = 82,470.24 : x
  2. Step 2: Convert to fraction form
    142,907.58/197,166.96 = 82,470.24/x
  3. Step 3: Cross multiply
    142,907.58x = 197,166.96 × 82,470.24
  4. Step 4: Simplify right side
    142,907.58x = 16,260,406,511.27
  5. Step 5: Solve for x
    x = 16,260,406,511.27/142,907.58
  6. Step 6: Final answer
    x = 113,782.67

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1.5x scale

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.