Home / 248,302.17-342,657.27-139,391.37

Finding the Fourth Proportional to 248,302.17, 342,657.27 and 139,391.37

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Solution

The fourth proportional to 248,302.17, 342,657.27 and 139,391.37 is: 192,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,302.17 : 342,657.27 = 139,391.37 : x
  2. Step 2: Convert to fraction form
    248,302.17/342,657.27 = 139,391.37/x
  3. Step 3: Cross multiply
    248,302.17x = 342,657.27 × 139,391.37
  4. Step 4: Simplify right side
    248,302.17x = 47,763,466,305.76
  5. Step 5: Solve for x
    x = 47,763,466,305.76/248,302.17
  6. Step 6: Final answer
    x = 192,360.25

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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.