Home / 119,312.89-178,969.34-49,190.38

Finding the Fourth Proportional to 119,312.89, 178,969.34 and 49,190.38

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Solution

The fourth proportional to 119,312.89, 178,969.34 and 49,190.38 is: 73,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,312.89 : 178,969.34 = 49,190.38 : x
  2. Step 2: Convert to fraction form
    119,312.89/178,969.34 = 49,190.38/x
  3. Step 3: Cross multiply
    119,312.89x = 178,969.34 × 49,190.38
  4. Step 4: Simplify right side
    119,312.89x = 8,803,569,842.95
  5. Step 5: Solve for x
    x = 8,803,569,842.95/119,312.89
  6. Step 6: Final answer
    x = 73,785.57

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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.