Home / 123,918.06-171,001.35-70,201.98

Finding the Fourth Proportional to 123,918.06, 171,001.35 and 70,201.98

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Solution

The fourth proportional to 123,918.06, 171,001.35 and 70,201.98 is: 96,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,918.06 : 171,001.35 = 70,201.98 : x
  2. Step 2: Convert to fraction form
    123,918.06/171,001.35 = 70,201.98/x
  3. Step 3: Cross multiply
    123,918.06x = 171,001.35 × 70,201.98
  4. Step 4: Simplify right side
    123,918.06x = 12,004,633,352.67
  5. Step 5: Solve for x
    x = 12,004,633,352.67/123,918.06
  6. Step 6: Final answer
    x = 96,875.58

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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.