Home / 106,390.17-146,816.69-58,647.96

Finding the Fourth Proportional to 106,390.17, 146,816.69 and 58,647.96

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Solution

The fourth proportional to 106,390.17, 146,816.69 and 58,647.96 is: 80,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.17 : 146,816.69 = 58,647.96 : x
  2. Step 2: Convert to fraction form
    106,390.17/146,816.69 = 58,647.96/x
  3. Step 3: Cross multiply
    106,390.17x = 146,816.69 × 58,647.96
  4. Step 4: Simplify right side
    106,390.17x = 8,610,499,069.21
  5. Step 5: Solve for x
    x = 8,610,499,069.21/106,390.17
  6. Step 6: Final answer
    x = 80,933.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.