Home / 268,042.45-369,881.76-147,182.89

Finding the Fourth Proportional to 268,042.45, 369,881.76 and 147,182.89

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Solution

The fourth proportional to 268,042.45, 369,881.76 and 147,182.89 is: 203,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,042.45 : 369,881.76 = 147,182.89 : x
  2. Step 2: Convert to fraction form
    268,042.45/369,881.76 = 147,182.89/x
  3. Step 3: Cross multiply
    268,042.45x = 369,881.76 × 147,182.89
  4. Step 4: Simplify right side
    268,042.45x = 54,440,266,395.09
  5. Step 5: Solve for x
    x = 54,440,266,395.09/268,042.45
  6. Step 6: Final answer
    x = 203,103.15

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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.