Home / 99,890.98-149,835.44-57,744.24

Finding the Fourth Proportional to 99,890.98, 149,835.44 and 57,744.24

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Solution

The fourth proportional to 99,890.98, 149,835.44 and 57,744.24 is: 86,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,890.98 : 149,835.44 = 57,744.24 : x
  2. Step 2: Convert to fraction form
    99,890.98/149,835.44 = 57,744.24/x
  3. Step 3: Cross multiply
    99,890.98x = 149,835.44 × 57,744.24
  4. Step 4: Simplify right side
    99,890.98x = 8,652,133,607.87
  5. Step 5: Solve for x
    x = 8,652,133,607.87/99,890.98
  6. Step 6: Final answer
    x = 86,615.76

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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.