Home / 134,804.25-186,026.76-74,374.86

Finding the Fourth Proportional to 134,804.25, 186,026.76 and 74,374.86

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Solution

The fourth proportional to 134,804.25, 186,026.76 and 74,374.86 is: 102,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,804.25 : 186,026.76 = 74,374.86 : x
  2. Step 2: Convert to fraction form
    134,804.25/186,026.76 = 74,374.86/x
  3. Step 3: Cross multiply
    134,804.25x = 186,026.76 × 74,374.86
  4. Step 4: Simplify right side
    134,804.25x = 13,835,714,231.25
  5. Step 5: Solve for x
    x = 13,835,714,231.25/134,804.25
  6. Step 6: Final answer
    x = 102,635.59

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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.