Home / 268,021.23-369,866.72-147,161.47

Finding the Fourth Proportional to 268,021.23, 369,866.72 and 147,161.47

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Solution

The fourth proportional to 268,021.23, 369,866.72 and 147,161.47 is: 203,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,021.23 : 369,866.72 = 147,161.47 : x
  2. Step 2: Convert to fraction form
    268,021.23/369,866.72 = 147,161.47/x
  3. Step 3: Cross multiply
    268,021.23x = 369,866.72 × 147,161.47
  4. Step 4: Simplify right side
    268,021.23x = 54,430,127,634.14
  5. Step 5: Solve for x
    x = 54,430,127,634.14/268,021.23
  6. Step 6: Final answer
    x = 203,081.40

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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.