Home / 119,070.30-178,558.75-47,979.66

Finding the Fourth Proportional to 119,070.30, 178,558.75 and 47,979.66

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Solution

The fourth proportional to 119,070.30, 178,558.75 and 47,979.66 is: 71,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,070.30 : 178,558.75 = 47,979.66 : x
  2. Step 2: Convert to fraction form
    119,070.30/178,558.75 = 47,979.66/x
  3. Step 3: Cross multiply
    119,070.30x = 178,558.75 × 47,979.66
  4. Step 4: Simplify right side
    119,070.30x = 8,567,188,115.03
  5. Step 5: Solve for x
    x = 8,567,188,115.03/119,070.30
  6. Step 6: Final answer
    x = 71,950.67

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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.