Home / 119,628.69-165,091.34-68,650.75

Finding the Fourth Proportional to 119,628.69, 165,091.34 and 68,650.75

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Solution

The fourth proportional to 119,628.69, 165,091.34 and 68,650.75 is: 94,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,628.69 : 165,091.34 = 68,650.75 : x
  2. Step 2: Convert to fraction form
    119,628.69/165,091.34 = 68,650.75/x
  3. Step 3: Cross multiply
    119,628.69x = 165,091.34 × 68,650.75
  4. Step 4: Simplify right side
    119,628.69x = 11,333,644,430.06
  5. Step 5: Solve for x
    x = 11,333,644,430.06/119,628.69
  6. Step 6: Final answer
    x = 94,740.18

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1.5x scale

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.