Home / 98,679.36-148,037.30-31,228.37

Finding the Fourth Proportional to 98,679.36, 148,037.30 and 31,228.37

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Solution

The fourth proportional to 98,679.36, 148,037.30 and 31,228.37 is: 46,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,679.36 : 148,037.30 = 31,228.37 : x
  2. Step 2: Convert to fraction form
    98,679.36/148,037.30 = 31,228.37/x
  3. Step 3: Cross multiply
    98,679.36x = 148,037.30 × 31,228.37
  4. Step 4: Simplify right side
    98,679.36x = 4,622,964,254.94
  5. Step 5: Solve for x
    x = 4,622,964,254.94/98,679.36
  6. Step 6: Final answer
    x = 46,848.34

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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.