Home / 106,500.21-159,616.67-56,456.79

Finding the Fourth Proportional to 106,500.21, 159,616.67 and 56,456.79

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Solution

The fourth proportional to 106,500.21, 159,616.67 and 56,456.79 is: 84,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,500.21 : 159,616.67 = 56,456.79 : x
  2. Step 2: Convert to fraction form
    106,500.21/159,616.67 = 56,456.79/x
  3. Step 3: Cross multiply
    106,500.21x = 159,616.67 × 56,456.79
  4. Step 4: Simplify right side
    106,500.21x = 9,011,444,536.41
  5. Step 5: Solve for x
    x = 9,011,444,536.41/106,500.21
  6. Step 6: Final answer
    x = 84,614.34

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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.