Home / 228,146.33-342,044.53-139,441.61

Finding the Fourth Proportional to 228,146.33, 342,044.53 and 139,441.61

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Solution

The fourth proportional to 228,146.33, 342,044.53 and 139,441.61 is: 209,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,146.33 : 342,044.53 = 139,441.61 : x
  2. Step 2: Convert to fraction form
    228,146.33/342,044.53 = 139,441.61/x
  3. Step 3: Cross multiply
    228,146.33x = 342,044.53 × 139,441.61
  4. Step 4: Simplify right side
    228,146.33x = 47,695,239,954.89
  5. Step 5: Solve for x
    x = 47,695,239,954.89/228,146.33
  6. Step 6: Final answer
    x = 209,055.48

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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.