Home / 119,196.30-178,774.80-39,235.31

Finding the Fourth Proportional to 119,196.30, 178,774.80 and 39,235.31

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Solution

The fourth proportional to 119,196.30, 178,774.80 and 39,235.31 is: 58,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,196.30 : 178,774.80 = 39,235.31 : x
  2. Step 2: Convert to fraction form
    119,196.30/178,774.80 = 39,235.31/x
  3. Step 3: Cross multiply
    119,196.30x = 178,774.80 × 39,235.31
  4. Step 4: Simplify right side
    119,196.30x = 7,014,285,145.13
  5. Step 5: Solve for x
    x = 7,014,285,145.13/119,196.30
  6. Step 6: Final answer
    x = 58,846.50

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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.