Home / 119,765.42-165,283.86-66,050.54

Finding the Fourth Proportional to 119,765.42, 165,283.86 and 66,050.54

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Solution

The fourth proportional to 119,765.42, 165,283.86 and 66,050.54 is: 91,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,765.42 : 165,283.86 = 66,050.54 : x
  2. Step 2: Convert to fraction form
    119,765.42/165,283.86 = 66,050.54/x
  3. Step 3: Cross multiply
    119,765.42x = 165,283.86 × 66,050.54
  4. Step 4: Simplify right side
    119,765.42x = 10,917,088,206.28
  5. Step 5: Solve for x
    x = 10,917,088,206.28/119,765.42
  6. Step 6: Final answer
    x = 91,153.93

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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.