Home / 146,395.90-219,426.54-66,494.80

Finding the Fourth Proportional to 146,395.90, 219,426.54 and 66,494.80

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Solution

The fourth proportional to 146,395.90, 219,426.54 and 66,494.80 is: 99,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,395.90 : 219,426.54 = 66,494.80 : x
  2. Step 2: Convert to fraction form
    146,395.90/219,426.54 = 66,494.80/x
  3. Step 3: Cross multiply
    146,395.90x = 219,426.54 × 66,494.80
  4. Step 4: Simplify right side
    146,395.90x = 14,590,723,891.99
  5. Step 5: Solve for x
    x = 14,590,723,891.99/146,395.90
  6. Step 6: Final answer
    x = 99,666.21

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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.