Home / 131,554.54-197,352.43-42,787.25

Finding the Fourth Proportional to 131,554.54, 197,352.43 and 42,787.25

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Solution

The fourth proportional to 131,554.54, 197,352.43 and 42,787.25 is: 64,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.54 : 197,352.43 = 42,787.25 : x
  2. Step 2: Convert to fraction form
    131,554.54/197,352.43 = 42,787.25/x
  3. Step 3: Cross multiply
    131,554.54x = 197,352.43 × 42,787.25
  4. Step 4: Simplify right side
    131,554.54x = 8,444,166,666.79
  5. Step 5: Solve for x
    x = 8,444,166,666.79/131,554.54
  6. Step 6: Final answer
    x = 64,187.57

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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.