Home / 177,745.12-245,288.40-97,171.36

Finding the Fourth Proportional to 177,745.12, 245,288.40 and 97,171.36

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Solution

The fourth proportional to 177,745.12, 245,288.40 and 97,171.36 is: 134,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,745.12 : 245,288.40 = 97,171.36 : x
  2. Step 2: Convert to fraction form
    177,745.12/245,288.40 = 97,171.36/x
  3. Step 3: Cross multiply
    177,745.12x = 245,288.40 × 97,171.36
  4. Step 4: Simplify right side
    177,745.12x = 23,835,007,420.22
  5. Step 5: Solve for x
    x = 23,835,007,420.22/177,745.12
  6. Step 6: Final answer
    x = 134,096.55

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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.