Home / 106,486.90-146,952.06-61,173.66

Finding the Fourth Proportional to 106,486.90, 146,952.06 and 61,173.66

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Solution

The fourth proportional to 106,486.90, 146,952.06 and 61,173.66 is: 84,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,486.90 : 146,952.06 = 61,173.66 : x
  2. Step 2: Convert to fraction form
    106,486.90/146,952.06 = 61,173.66/x
  3. Step 3: Cross multiply
    106,486.90x = 146,952.06 × 61,173.66
  4. Step 4: Simplify right side
    106,486.90x = 8,989,595,354.74
  5. Step 5: Solve for x
    x = 8,989,595,354.74/106,486.90
  6. Step 6: Final answer
    x = 84,419.73

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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.