Home / 107,779.28-148,738.41-64,744.29

Finding the Fourth Proportional to 107,779.28, 148,738.41 and 64,744.29

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Solution

The fourth proportional to 107,779.28, 148,738.41 and 64,744.29 is: 89,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779.28 : 148,738.41 = 64,744.29 : x
  2. Step 2: Convert to fraction form
    107,779.28/148,738.41 = 64,744.29/x
  3. Step 3: Cross multiply
    107,779.28x = 148,738.41 × 64,744.29
  4. Step 4: Simplify right side
    107,779.28x = 9,629,962,751.18
  5. Step 5: Solve for x
    x = 9,629,962,751.18/107,779.28
  6. Step 6: Final answer
    x = 89,348.93

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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.