Home / 119,660.29-165,130.38-65,945.34

Finding the Fourth Proportional to 119,660.29, 165,130.38 and 65,945.34

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Solution

The fourth proportional to 119,660.29, 165,130.38 and 65,945.34 is: 91,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.29 : 165,130.38 = 65,945.34 : x
  2. Step 2: Convert to fraction form
    119,660.29/165,130.38 = 65,945.34/x
  3. Step 3: Cross multiply
    119,660.29x = 165,130.38 × 65,945.34
  4. Step 4: Simplify right side
    119,660.29x = 10,889,579,053.43
  5. Step 5: Solve for x
    x = 10,889,579,053.43/119,660.29
  6. Step 6: Final answer
    x = 91,004.12

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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.