Home / 106,393.14-146,830.05-61,078.50

Finding the Fourth Proportional to 106,393.14, 146,830.05 and 61,078.50

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Solution

The fourth proportional to 106,393.14, 146,830.05 and 61,078.50 is: 84,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,393.14 : 146,830.05 = 61,078.50 : x
  2. Step 2: Convert to fraction form
    106,393.14/146,830.05 = 61,078.50/x
  3. Step 3: Cross multiply
    106,393.14x = 146,830.05 × 61,078.50
  4. Step 4: Simplify right side
    106,393.14x = 8,968,159,208.93
  5. Step 5: Solve for x
    x = 8,968,159,208.93/106,393.14
  6. Step 6: Final answer
    x = 84,292.65

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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.