Home / 134,796.15-186,016.92-74,369.34

Finding the Fourth Proportional to 134,796.15, 186,016.92 and 74,369.34

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Solution

The fourth proportional to 134,796.15, 186,016.92 and 74,369.34 is: 102,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,796.15 : 186,016.92 = 74,369.34 : x
  2. Step 2: Convert to fraction form
    134,796.15/186,016.92 = 74,369.34/x
  3. Step 3: Cross multiply
    134,796.15x = 186,016.92 × 74,369.34
  4. Step 4: Simplify right side
    134,796.15x = 13,833,955,569.23
  5. Step 5: Solve for x
    x = 13,833,955,569.23/134,796.15
  6. Step 6: Final answer
    x = 102,628.71

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1.5x scale

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.