Home / 121,139.12-181,745.91-62,016.30

Finding the Fourth Proportional to 121,139.12, 181,745.91 and 62,016.30

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Solution

The fourth proportional to 121,139.12, 181,745.91 and 62,016.30 is: 93,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,139.12 : 181,745.91 = 62,016.30 : x
  2. Step 2: Convert to fraction form
    121,139.12/181,745.91 = 62,016.30/x
  3. Step 3: Cross multiply
    121,139.12x = 181,745.91 × 62,016.30
  4. Step 4: Simplify right side
    121,139.12x = 11,271,208,878.33
  5. Step 5: Solve for x
    x = 11,271,208,878.33/121,139.12
  6. Step 6: Final answer
    x = 93,043.51

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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.