Home / 216,059.20-297,940.48-143,436.52

Finding the Fourth Proportional to 216,059.20, 297,940.48 and 143,436.52

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Solution

The fourth proportional to 216,059.20, 297,940.48 and 143,436.52 is: 197,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,059.20 : 297,940.48 = 143,436.52 : x
  2. Step 2: Convert to fraction form
    216,059.20/297,940.48 = 143,436.52/x
  3. Step 3: Cross multiply
    216,059.20x = 297,940.48 × 143,436.52
  4. Step 4: Simplify right side
    216,059.20x = 42,735,545,632.16
  5. Step 5: Solve for x
    x = 42,735,545,632.16/216,059.20
  6. Step 6: Final answer
    x = 197,795.54

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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.