Home / 119,927.28-165,495.30-66,211.14

Finding the Fourth Proportional to 119,927.28, 165,495.30 and 66,211.14

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Solution

The fourth proportional to 119,927.28, 165,495.30 and 66,211.14 is: 91,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.28 : 165,495.30 = 66,211.14 : x
  2. Step 2: Convert to fraction form
    119,927.28/165,495.30 = 66,211.14/x
  3. Step 3: Cross multiply
    119,927.28x = 165,495.30 × 66,211.14
  4. Step 4: Simplify right side
    119,927.28x = 10,957,632,477.64
  5. Step 5: Solve for x
    x = 10,957,632,477.64/119,927.28
  6. Step 6: Final answer
    x = 91,368.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.