Home / 248,083.18-342,346.68-139,180.92

Finding the Fourth Proportional to 248,083.18, 342,346.68 and 139,180.92

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Solution

The fourth proportional to 248,083.18, 342,346.68 and 139,180.92 is: 192,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,083.18 : 342,346.68 = 139,180.92 : x
  2. Step 2: Convert to fraction form
    248,083.18/342,346.68 = 139,180.92/x
  3. Step 3: Cross multiply
    248,083.18x = 342,346.68 × 139,180.92
  4. Step 4: Simplify right side
    248,083.18x = 47,648,125,881.35
  5. Step 5: Solve for x
    x = 47,648,125,881.35/248,083.18
  6. Step 6: Final answer
    x = 192,065.12

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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.