Home / 143,259.87-214,932.77-57,826.77

Finding the Fourth Proportional to 143,259.87, 214,932.77 and 57,826.77

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Solution

The fourth proportional to 143,259.87, 214,932.77 and 57,826.77 is: 86,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.87 : 214,932.77 = 57,826.77 : x
  2. Step 2: Convert to fraction form
    143,259.87/214,932.77 = 57,826.77/x
  3. Step 3: Cross multiply
    143,259.87x = 214,932.77 × 57,826.77
  4. Step 4: Simplify right side
    143,259.87x = 12,428,868,000.82
  5. Step 5: Solve for x
    x = 12,428,868,000.82/143,259.87
  6. Step 6: Final answer
    x = 86,757.50

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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.