Home / 149,564.04-206,399.01-81,582.48

Finding the Fourth Proportional to 149,564.04, 206,399.01 and 81,582.48

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Solution

The fourth proportional to 149,564.04, 206,399.01 and 81,582.48 is: 112,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,564.04 : 206,399.01 = 81,582.48 : x
  2. Step 2: Convert to fraction form
    149,564.04/206,399.01 = 81,582.48/x
  3. Step 3: Cross multiply
    149,564.04x = 206,399.01 × 81,582.48
  4. Step 4: Simplify right side
    149,564.04x = 16,838,543,105.34
  5. Step 5: Solve for x
    x = 16,838,543,105.34/149,564.04
  6. Step 6: Final answer
    x = 112,584.17

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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.