Home / 230,582.28-318,274.44-135,119.72

Finding the Fourth Proportional to 230,582.28, 318,274.44 and 135,119.72

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Solution

The fourth proportional to 230,582.28, 318,274.44 and 135,119.72 is: 186,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,582.28 : 318,274.44 = 135,119.72 : x
  2. Step 2: Convert to fraction form
    230,582.28/318,274.44 = 135,119.72/x
  3. Step 3: Cross multiply
    230,582.28x = 318,274.44 × 135,119.72
  4. Step 4: Simplify right side
    230,582.28x = 43,005,153,215.96
  5. Step 5: Solve for x
    x = 43,005,153,215.96/230,582.28
  6. Step 6: Final answer
    x = 186,506.76

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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.