Home / 106,461.36-146,910.42-61,129.62

Finding the Fourth Proportional to 106,461.36, 146,910.42 and 61,129.62

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Solution

The fourth proportional to 106,461.36, 146,910.42 and 61,129.62 is: 84,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,461.36 : 146,910.42 = 61,129.62 : x
  2. Step 2: Convert to fraction form
    106,461.36/146,910.42 = 61,129.62/x
  3. Step 3: Cross multiply
    106,461.36x = 146,910.42 × 61,129.62
  4. Step 4: Simplify right side
    106,461.36x = 8,980,578,148.64
  5. Step 5: Solve for x
    x = 8,980,578,148.64/106,461.36
  6. Step 6: Final answer
    x = 84,355.28

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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.