Home / 104,146.03-143,721.66-56,399.46

Finding the Fourth Proportional to 104,146.03, 143,721.66 and 56,399.46

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Solution

The fourth proportional to 104,146.03, 143,721.66 and 56,399.46 is: 77,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,146.03 : 143,721.66 = 56,399.46 : x
  2. Step 2: Convert to fraction form
    104,146.03/143,721.66 = 56,399.46/x
  3. Step 3: Cross multiply
    104,146.03x = 143,721.66 × 56,399.46
  4. Step 4: Simplify right side
    104,146.03x = 8,105,824,014.30
  5. Step 5: Solve for x
    x = 8,105,824,014.30/104,146.03
  6. Step 6: Final answer
    x = 77,831.33

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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.