Home / 141,388.76-212,027.31-57,133.01

Finding the Fourth Proportional to 141,388.76, 212,027.31 and 57,133.01

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Solution

The fourth proportional to 141,388.76, 212,027.31 and 57,133.01 is: 85,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.76 : 212,027.31 = 57,133.01 : x
  2. Step 2: Convert to fraction form
    141,388.76/212,027.31 = 57,133.01/x
  3. Step 3: Cross multiply
    141,388.76x = 212,027.31 × 57,133.01
  4. Step 4: Simplify right side
    141,388.76x = 12,113,757,362.37
  5. Step 5: Solve for x
    x = 12,113,757,362.37/141,388.76
  6. Step 6: Final answer
    x = 85,676.95

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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.