Home / 119,829.84-165,365.71-66,114.83

Finding the Fourth Proportional to 119,829.84, 165,365.71 and 66,114.83

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Solution

The fourth proportional to 119,829.84, 165,365.71 and 66,114.83 is: 91,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,829.84 : 165,365.71 = 66,114.83 : x
  2. Step 2: Convert to fraction form
    119,829.84/165,365.71 = 66,114.83/x
  3. Step 3: Cross multiply
    119,829.84x = 165,365.71 × 66,114.83
  4. Step 4: Simplify right side
    119,829.84x = 10,933,124,812.36
  5. Step 5: Solve for x
    x = 10,933,124,812.36/119,829.84
  6. Step 6: Final answer
    x = 91,238.75

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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.