Home / 131,745.08-181,808.26-71,315.52

Finding the Fourth Proportional to 131,745.08, 181,808.26 and 71,315.52

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Solution

The fourth proportional to 131,745.08, 181,808.26 and 71,315.52 is: 98,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,745.08 : 181,808.26 = 71,315.52 : x
  2. Step 2: Convert to fraction form
    131,745.08/181,808.26 = 71,315.52/x
  3. Step 3: Cross multiply
    131,745.08x = 181,808.26 × 71,315.52
  4. Step 4: Simplify right side
    131,745.08x = 12,965,750,602.20
  5. Step 5: Solve for x
    x = 12,965,750,602.20/131,745.08
  6. Step 6: Final answer
    x = 98,415.44

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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.