Home / 106,666.90-160,006.50-40,107.61

Finding the Fourth Proportional to 106,666.90, 160,006.50 and 40,107.61

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Solution

The fourth proportional to 106,666.90, 160,006.50 and 40,107.61 is: 60,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,666.90 : 160,006.50 = 40,107.61 : x
  2. Step 2: Convert to fraction form
    106,666.90/160,006.50 = 40,107.61/x
  3. Step 3: Cross multiply
    106,666.90x = 160,006.50 × 40,107.61
  4. Step 4: Simplify right side
    106,666.90x = 6,417,477,655.84
  5. Step 5: Solve for x
    x = 6,417,477,655.84/106,666.90
  6. Step 6: Final answer
    x = 60,163.72

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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.