Home / 123,897.03-170,972.40-70,180.97

Finding the Fourth Proportional to 123,897.03, 170,972.40 and 70,180.97

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Solution

The fourth proportional to 123,897.03, 170,972.40 and 70,180.97 is: 96,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897.03 : 170,972.40 = 70,180.97 : x
  2. Step 2: Convert to fraction form
    123,897.03/170,972.40 = 70,180.97/x
  3. Step 3: Cross multiply
    123,897.03x = 170,972.40 × 70,180.97
  4. Step 4: Simplify right side
    123,897.03x = 11,999,008,283.54
  5. Step 5: Solve for x
    x = 11,999,008,283.54/123,897.03
  6. Step 6: Final answer
    x = 96,846.62

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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.