Home / 102,738.75-141,823.11-62,465.37

Finding the Fourth Proportional to 102,738.75, 141,823.11 and 62,465.37

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Solution

The fourth proportional to 102,738.75, 141,823.11 and 62,465.37 is: 86,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,738.75 : 141,823.11 = 62,465.37 : x
  2. Step 2: Convert to fraction form
    102,738.75/141,823.11 = 62,465.37/x
  3. Step 3: Cross multiply
    102,738.75x = 141,823.11 × 62,465.37
  4. Step 4: Simplify right side
    102,738.75x = 8,859,032,743.11
  5. Step 5: Solve for x
    x = 8,859,032,743.11/102,738.75
  6. Step 6: Final answer
    x = 86,228.74

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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.