Home / 154,599.03-231,871.21-70,339.39

Finding the Fourth Proportional to 154,599.03, 231,871.21 and 70,339.39

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Solution

The fourth proportional to 154,599.03, 231,871.21 and 70,339.39 is: 105,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,599.03 : 231,871.21 = 70,339.39 : x
  2. Step 2: Convert to fraction form
    154,599.03/231,871.21 = 70,339.39/x
  3. Step 3: Cross multiply
    154,599.03x = 231,871.21 × 70,339.39
  4. Step 4: Simplify right side
    154,599.03x = 16,309,678,714.44
  5. Step 5: Solve for x
    x = 16,309,678,714.44/154,599.03
  6. Step 6: Final answer
    x = 105,496.64

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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.