Home / 86,927.40-130,352.70-40,194.60

Finding the Fourth Proportional to 86,927.40, 130,352.70 and 40,194.60

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Solution

The fourth proportional to 86,927.40, 130,352.70 and 40,194.60 is: 60,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.40 : 130,352.70 = 40,194.60 : x
  2. Step 2: Convert to fraction form
    86,927.40/130,352.70 = 40,194.60/x
  3. Step 3: Cross multiply
    86,927.40x = 130,352.70 × 40,194.60
  4. Step 4: Simplify right side
    86,927.40x = 5,239,474,635.42
  5. Step 5: Solve for x
    x = 5,239,474,635.42/86,927.40
  6. Step 6: Final answer
    x = 60,274.14

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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.