Home / 119,334.27-178,992-69,382.50

Finding the Fourth Proportional to 119,334.27, 178,992 and 69,382.50

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Solution

The fourth proportional to 119,334.27, 178,992 and 69,382.50 is: 104,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.27 : 178,992 = 69,382.50 : x
  2. Step 2: Convert to fraction form
    119,334.27/178,992 = 69,382.50/x
  3. Step 3: Cross multiply
    119,334.27x = 178,992 × 69,382.50
  4. Step 4: Simplify right side
    119,334.27x = 12,418,912,440
  5. Step 5: Solve for x
    x = 12,418,912,440/119,334.27
  6. Step 6: Final answer
    x = 104,068.28

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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.