Home / 141,815.60-195,705.56-77,284.85

Finding the Fourth Proportional to 141,815.60, 195,705.56 and 77,284.85

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Solution

The fourth proportional to 141,815.60, 195,705.56 and 77,284.85 is: 106,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.60 : 195,705.56 = 77,284.85 : x
  2. Step 2: Convert to fraction form
    141,815.60/195,705.56 = 77,284.85/x
  3. Step 3: Cross multiply
    141,815.60x = 195,705.56 × 77,284.85
  4. Step 4: Simplify right side
    141,815.60x = 15,125,075,531.24
  5. Step 5: Solve for x
    x = 15,125,075,531.24/141,815.60
  6. Step 6: Final answer
    x = 106,653.12

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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.