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Finding the Fourth Proportional to 86,844.40, 130,266.60 and 36,907.90

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Solution

The fourth proportional to 86,844.40, 130,266.60 and 36,907.90 is: 55,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,844.40 : 130,266.60 = 36,907.90 : x
  2. Step 2: Convert to fraction form
    86,844.40/130,266.60 = 36,907.90/x
  3. Step 3: Cross multiply
    86,844.40x = 130,266.60 × 36,907.90
  4. Step 4: Simplify right side
    86,844.40x = 4,807,866,646.14
  5. Step 5: Solve for x
    x = 4,807,866,646.14/86,844.40
  6. Step 6: Final answer
    x = 55,361.85

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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.