Home / 141,705.14-195,551.48-78,041.56

Finding the Fourth Proportional to 141,705.14, 195,551.48 and 78,041.56

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Solution

The fourth proportional to 141,705.14, 195,551.48 and 78,041.56 is: 107,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,705.14 : 195,551.48 = 78,041.56 : x
  2. Step 2: Convert to fraction form
    141,705.14/195,551.48 = 78,041.56/x
  3. Step 3: Cross multiply
    141,705.14x = 195,551.48 × 78,041.56
  4. Step 4: Simplify right side
    141,705.14x = 15,261,142,559.51
  5. Step 5: Solve for x
    x = 15,261,142,559.51/141,705.14
  6. Step 6: Final answer
    x = 107,696.46

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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.