Home / 124,722.21-187,083.32-45,802.29

Finding the Fourth Proportional to 124,722.21, 187,083.32 and 45,802.29

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Solution

The fourth proportional to 124,722.21, 187,083.32 and 45,802.29 is: 68,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.21 : 187,083.32 = 45,802.29 : x
  2. Step 2: Convert to fraction form
    124,722.21/187,083.32 = 45,802.29/x
  3. Step 3: Cross multiply
    124,722.21x = 187,083.32 × 45,802.29
  4. Step 4: Simplify right side
    124,722.21x = 8,568,844,247.79
  5. Step 5: Solve for x
    x = 8,568,844,247.79/124,722.21
  6. Step 6: Final answer
    x = 68,703.44

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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.