Home / 141,815.38-195,705.26-77,284.64

Finding the Fourth Proportional to 141,815.38, 195,705.26 and 77,284.64

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Solution

The fourth proportional to 141,815.38, 195,705.26 and 77,284.64 is: 106,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.38 : 195,705.26 = 77,284.64 : x
  2. Step 2: Convert to fraction form
    141,815.38/195,705.26 = 77,284.64/x
  3. Step 3: Cross multiply
    141,815.38x = 195,705.26 × 77,284.64
  4. Step 4: Simplify right side
    141,815.38x = 15,125,009,857.02
  5. Step 5: Solve for x
    x = 15,125,009,857.02/141,815.38
  6. Step 6: Final answer
    x = 106,652.82

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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.