Home / 124,102.14-185,989.69-49,181.45

Finding the Fourth Proportional to 124,102.14, 185,989.69 and 49,181.45

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Solution

The fourth proportional to 124,102.14, 185,989.69 and 49,181.45 is: 73,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.14 : 185,989.69 = 49,181.45 : x
  2. Step 2: Convert to fraction form
    124,102.14/185,989.69 = 49,181.45/x
  3. Step 3: Cross multiply
    124,102.14x = 185,989.69 × 49,181.45
  4. Step 4: Simplify right side
    124,102.14x = 9,147,241,494.13
  5. Step 5: Solve for x
    x = 9,147,241,494.13/124,102.14
  6. Step 6: Final answer
    x = 73,707.36

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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.