Home / 134,342.98-185,386.53-80,617.30

Finding the Fourth Proportional to 134,342.98, 185,386.53 and 80,617.30

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Solution

The fourth proportional to 134,342.98, 185,386.53 and 80,617.30 is: 111,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,342.98 : 185,386.53 = 80,617.30 : x
  2. Step 2: Convert to fraction form
    134,342.98/185,386.53 = 80,617.30/x
  3. Step 3: Cross multiply
    134,342.98x = 185,386.53 × 80,617.30
  4. Step 4: Simplify right side
    134,342.98x = 14,945,361,504.97
  5. Step 5: Solve for x
    x = 14,945,361,504.97/134,342.98
  6. Step 6: Final answer
    x = 111,247.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.