Home / 119,329.44-164,674.76-65,615.36

Finding the Fourth Proportional to 119,329.44, 164,674.76 and 65,615.36

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Solution

The fourth proportional to 119,329.44, 164,674.76 and 65,615.36 is: 90,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,329.44 : 164,674.76 = 65,615.36 : x
  2. Step 2: Convert to fraction form
    119,329.44/164,674.76 = 65,615.36/x
  3. Step 3: Cross multiply
    119,329.44x = 164,674.76 × 65,615.36
  4. Step 4: Simplify right side
    119,329.44x = 10,805,193,660.31
  5. Step 5: Solve for x
    x = 10,805,193,660.31/119,329.44
  6. Step 6: Final answer
    x = 90,549.27

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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.