Home / 238,739.60-329,444.58-136,765.46

Finding the Fourth Proportional to 238,739.60, 329,444.58 and 136,765.46

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Solution

The fourth proportional to 238,739.60, 329,444.58 and 136,765.46 is: 188,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.60 : 329,444.58 = 136,765.46 : x
  2. Step 2: Convert to fraction form
    238,739.60/329,444.58 = 136,765.46/x
  3. Step 3: Cross multiply
    238,739.60x = 329,444.58 × 136,765.46
  4. Step 4: Simplify right side
    238,739.60x = 45,056,639,528.21
  5. Step 5: Solve for x
    x = 45,056,639,528.21/238,739.60
  6. Step 6: Final answer
    x = 188,727.13

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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.