Home / 119,540.28-164,966.79-65,830.29

Finding the Fourth Proportional to 119,540.28, 164,966.79 and 65,830.29

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Solution

The fourth proportional to 119,540.28, 164,966.79 and 65,830.29 is: 90,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,540.28 : 164,966.79 = 65,830.29 : x
  2. Step 2: Convert to fraction form
    119,540.28/164,966.79 = 65,830.29/x
  3. Step 3: Cross multiply
    119,540.28x = 164,966.79 × 65,830.29
  4. Step 4: Simplify right side
    119,540.28x = 10,859,811,626.07
  5. Step 5: Solve for x
    x = 10,859,811,626.07/119,540.28
  6. Step 6: Final answer
    x = 90,846.46

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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.