Home / 154,355.22-231,530.13-42,033.60

Finding the Fourth Proportional to 154,355.22, 231,530.13 and 42,033.60

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Solution

The fourth proportional to 154,355.22, 231,530.13 and 42,033.60 is: 63,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,355.22 : 231,530.13 = 42,033.60 : x
  2. Step 2: Convert to fraction form
    154,355.22/231,530.13 = 42,033.60/x
  3. Step 3: Cross multiply
    154,355.22x = 231,530.13 × 42,033.60
  4. Step 4: Simplify right side
    154,355.22x = 9,732,044,872.37
  5. Step 5: Solve for x
    x = 9,732,044,872.37/154,355.22
  6. Step 6: Final answer
    x = 63,049.66

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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.