Home / 161,013.90-241,314.30-89,936.40

Finding the Fourth Proportional to 161,013.90, 241,314.30 and 89,936.40

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Solution

The fourth proportional to 161,013.90, 241,314.30 and 89,936.40 is: 134,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,013.90 : 241,314.30 = 89,936.40 : x
  2. Step 2: Convert to fraction form
    161,013.90/241,314.30 = 89,936.40/x
  3. Step 3: Cross multiply
    161,013.90x = 241,314.30 × 89,936.40
  4. Step 4: Simplify right side
    161,013.90x = 21,702,939,410.52
  5. Step 5: Solve for x
    x = 21,702,939,410.52/161,013.90
  6. Step 6: Final answer
    x = 134,789.23

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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.