Home / 134,085.40-200,939.47-105,881.31

Finding the Fourth Proportional to 134,085.40, 200,939.47 and 105,881.31

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Solution

The fourth proportional to 134,085.40, 200,939.47 and 105,881.31 is: 158,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,085.40 : 200,939.47 = 105,881.31 : x
  2. Step 2: Convert to fraction form
    134,085.40/200,939.47 = 105,881.31/x
  3. Step 3: Cross multiply
    134,085.40x = 200,939.47 × 105,881.31
  4. Step 4: Simplify right side
    134,085.40x = 21,275,734,049.60
  5. Step 5: Solve for x
    x = 21,275,734,049.60/134,085.40
  6. Step 6: Final answer
    x = 158,673.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.