Home / 129,348.40-194,022.60-109,665.40

Finding the Fourth Proportional to 129,348.40, 194,022.60 and 109,665.40

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Solution

The fourth proportional to 129,348.40, 194,022.60 and 109,665.40 is: 164,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348.40 : 194,022.60 = 109,665.40 : x
  2. Step 2: Convert to fraction form
    129,348.40/194,022.60 = 109,665.40/x
  3. Step 3: Cross multiply
    129,348.40x = 194,022.60 × 109,665.40
  4. Step 4: Simplify right side
    129,348.40x = 21,277,566,038.04
  5. Step 5: Solve for x
    x = 21,277,566,038.04/129,348.40
  6. Step 6: Final answer
    x = 164,498.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.