Home / 86,868.41-130,056.93-55,199.97

Finding the Fourth Proportional to 86,868.41, 130,056.93 and 55,199.97

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Solution

The fourth proportional to 86,868.41, 130,056.93 and 55,199.97 is: 82,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,868.41 : 130,056.93 = 55,199.97 : x
  2. Step 2: Convert to fraction form
    86,868.41/130,056.93 = 55,199.97/x
  3. Step 3: Cross multiply
    86,868.41x = 130,056.93 × 55,199.97
  4. Step 4: Simplify right side
    86,868.41x = 7,179,138,634.29
  5. Step 5: Solve for x
    x = 7,179,138,634.29/86,868.41
  6. Step 6: Final answer
    x = 82,643.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.