Home / 136,653.48-205,111.44-66,582

Finding the Fourth Proportional to 136,653.48, 205,111.44 and 66,582

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Solution

The fourth proportional to 136,653.48, 205,111.44 and 66,582 is: 99,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,653.48 : 205,111.44 = 66,582 : x
  2. Step 2: Convert to fraction form
    136,653.48/205,111.44 = 66,582/x
  3. Step 3: Cross multiply
    136,653.48x = 205,111.44 × 66,582
  4. Step 4: Simplify right side
    136,653.48x = 13,656,729,898.08
  5. Step 5: Solve for x
    x = 13,656,729,898.08/136,653.48
  6. Step 6: Final answer
    x = 99,936.93

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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.