Home / 160,558.06-240,986.54-81,731.28

Finding the Fourth Proportional to 160,558.06, 240,986.54 and 81,731.28

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Solution

The fourth proportional to 160,558.06, 240,986.54 and 81,731.28 is: 122,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,558.06 : 240,986.54 = 81,731.28 : x
  2. Step 2: Convert to fraction form
    160,558.06/240,986.54 = 81,731.28/x
  3. Step 3: Cross multiply
    160,558.06x = 240,986.54 × 81,731.28
  4. Step 4: Simplify right side
    160,558.06x = 19,696,138,376.97
  5. Step 5: Solve for x
    x = 19,696,138,376.97/160,558.06
  6. Step 6: Final answer
    x = 122,673.00

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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.