Home / 230,674.18-318,329.85-130,071.46

Finding the Fourth Proportional to 230,674.18, 318,329.85 and 130,071.46

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Solution

The fourth proportional to 230,674.18, 318,329.85 and 130,071.46 is: 179,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,674.18 : 318,329.85 = 130,071.46 : x
  2. Step 2: Convert to fraction form
    230,674.18/318,329.85 = 130,071.46/x
  3. Step 3: Cross multiply
    230,674.18x = 318,329.85 × 130,071.46
  4. Step 4: Simplify right side
    230,674.18x = 41,405,628,351.08
  5. Step 5: Solve for x
    x = 41,405,628,351.08/230,674.18
  6. Step 6: Final answer
    x = 179,498.32

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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.