Home / 106,486.60-146,998.74-68,779.24

Finding the Fourth Proportional to 106,486.60, 146,998.74 and 68,779.24

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Solution

The fourth proportional to 106,486.60, 146,998.74 and 68,779.24 is: 94,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,486.60 : 146,998.74 = 68,779.24 : x
  2. Step 2: Convert to fraction form
    106,486.60/146,998.74 = 68,779.24/x
  3. Step 3: Cross multiply
    106,486.60x = 146,998.74 × 68,779.24
  4. Step 4: Simplify right side
    106,486.60x = 10,110,461,618.16
  5. Step 5: Solve for x
    x = 10,110,461,618.16/106,486.60
  6. Step 6: Final answer
    x = 94,945.86

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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.