Home / 154,731.69-232,072.62-42,385.65

Finding the Fourth Proportional to 154,731.69, 232,072.62 and 42,385.65

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Solution

The fourth proportional to 154,731.69, 232,072.62 and 42,385.65 is: 63,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,731.69 : 232,072.62 = 42,385.65 : x
  2. Step 2: Convert to fraction form
    154,731.69/232,072.62 = 42,385.65/x
  3. Step 3: Cross multiply
    154,731.69x = 232,072.62 × 42,385.65
  4. Step 4: Simplify right side
    154,731.69x = 9,836,548,845.90
  5. Step 5: Solve for x
    x = 9,836,548,845.90/154,731.69
  6. Step 6: Final answer
    x = 63,571.65

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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.