Home / 137,485.36-206,181.88-61,536.32

Finding the Fourth Proportional to 137,485.36, 206,181.88 and 61,536.32

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Solution

The fourth proportional to 137,485.36, 206,181.88 and 61,536.32 is: 92,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,485.36 : 206,181.88 = 61,536.32 : x
  2. Step 2: Convert to fraction form
    137,485.36/206,181.88 = 61,536.32/x
  3. Step 3: Cross multiply
    137,485.36x = 206,181.88 × 61,536.32
  4. Step 4: Simplify right side
    137,485.36x = 12,687,674,145.88
  5. Step 5: Solve for x
    x = 12,687,674,145.88/137,485.36
  6. Step 6: Final answer
    x = 92,283.82

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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.