Home / 141,334.64-195,037.74-77,672.36

Finding the Fourth Proportional to 141,334.64, 195,037.74 and 77,672.36

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Solution

The fourth proportional to 141,334.64, 195,037.74 and 77,672.36 is: 107,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,334.64 : 195,037.74 = 77,672.36 : x
  2. Step 2: Convert to fraction form
    141,334.64/195,037.74 = 77,672.36/x
  3. Step 3: Cross multiply
    141,334.64x = 195,037.74 × 77,672.36
  4. Step 4: Simplify right side
    141,334.64x = 15,149,041,554.87
  5. Step 5: Solve for x
    x = 15,149,041,554.87/141,334.64
  6. Step 6: Final answer
    x = 107,185.62

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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.