Home / 119,787.54-179,700.30-39,828.48

Finding the Fourth Proportional to 119,787.54, 179,700.30 and 39,828.48

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Solution

The fourth proportional to 119,787.54, 179,700.30 and 39,828.48 is: 59,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,787.54 : 179,700.30 = 39,828.48 : x
  2. Step 2: Convert to fraction form
    119,787.54/179,700.30 = 39,828.48/x
  3. Step 3: Cross multiply
    119,787.54x = 179,700.30 × 39,828.48
  4. Step 4: Simplify right side
    119,787.54x = 7,157,189,804.54
  5. Step 5: Solve for x
    x = 7,157,189,804.54/119,787.54
  6. Step 6: Final answer
    x = 59,749.03

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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.