Home / 138,466.19-191,083.52-74,804.00

Finding the Fourth Proportional to 138,466.19, 191,083.52 and 74,804.00

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Solution

The fourth proportional to 138,466.19, 191,083.52 and 74,804.00 is: 103,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,466.19 : 191,083.52 = 74,804.00 : x
  2. Step 2: Convert to fraction form
    138,466.19/191,083.52 = 74,804.00/x
  3. Step 3: Cross multiply
    138,466.19x = 191,083.52 × 74,804.00
  4. Step 4: Simplify right side
    138,466.19x = 14,293,810,861.67
  5. Step 5: Solve for x
    x = 14,293,810,861.67/138,466.19
  6. Step 6: Final answer
    x = 103,229.61

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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.