Home / 119,928.15-165,501.09-66,213.27

Finding the Fourth Proportional to 119,928.15, 165,501.09 and 66,213.27

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Solution

The fourth proportional to 119,928.15, 165,501.09 and 66,213.27 is: 91,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,928.15 : 165,501.09 = 66,213.27 : x
  2. Step 2: Convert to fraction form
    119,928.15/165,501.09 = 66,213.27/x
  3. Step 3: Cross multiply
    119,928.15x = 165,501.09 × 66,213.27
  4. Step 4: Simplify right side
    119,928.15x = 10,958,368,357.46
  5. Step 5: Solve for x
    x = 10,958,368,357.46/119,928.15
  6. Step 6: Final answer
    x = 91,374.45

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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.