Home / 102,911.49-154,262.48-46,791.45

Finding the Fourth Proportional to 102,911.49, 154,262.48 and 46,791.45

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Solution

The fourth proportional to 102,911.49, 154,262.48 and 46,791.45 is: 70,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,911.49 : 154,262.48 = 46,791.45 : x
  2. Step 2: Convert to fraction form
    102,911.49/154,262.48 = 46,791.45/x
  3. Step 3: Cross multiply
    102,911.49x = 154,262.48 × 46,791.45
  4. Step 4: Simplify right side
    102,911.49x = 7,218,164,885.84
  5. Step 5: Solve for x
    x = 7,218,164,885.84/102,911.49
  6. Step 6: Final answer
    x = 70,139.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.