Home / 143,261.76-214,935.57-57,828.63

Finding the Fourth Proportional to 143,261.76, 214,935.57 and 57,828.63

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Solution

The fourth proportional to 143,261.76, 214,935.57 and 57,828.63 is: 86,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.76 : 214,935.57 = 57,828.63 : x
  2. Step 2: Convert to fraction form
    143,261.76/214,935.57 = 57,828.63/x
  3. Step 3: Cross multiply
    143,261.76x = 214,935.57 × 57,828.63
  4. Step 4: Simplify right side
    143,261.76x = 12,429,429,551.37
  5. Step 5: Solve for x
    x = 12,429,429,551.37/143,261.76
  6. Step 6: Final answer
    x = 86,760.27

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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.