Home / 136,363.40-204,353.10-108,331.40

Finding the Fourth Proportional to 136,363.40, 204,353.10 and 108,331.40

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Solution

The fourth proportional to 136,363.40, 204,353.10 and 108,331.40 is: 162,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.40 : 204,353.10 = 108,331.40 : x
  2. Step 2: Convert to fraction form
    136,363.40/204,353.10 = 108,331.40/x
  3. Step 3: Cross multiply
    136,363.40x = 204,353.10 × 108,331.40
  4. Step 4: Simplify right side
    136,363.40x = 22,137,857,417.34
  5. Step 5: Solve for x
    x = 22,137,857,417.34/136,363.40
  6. Step 6: Final answer
    x = 162,344.57

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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.