Home / 125,436.36-188,167.90-36,690.33

Finding the Fourth Proportional to 125,436.36, 188,167.90 and 36,690.33

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Solution

The fourth proportional to 125,436.36, 188,167.90 and 36,690.33 is: 55,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,436.36 : 188,167.90 = 36,690.33 : x
  2. Step 2: Convert to fraction form
    125,436.36/188,167.90 = 36,690.33/x
  3. Step 3: Cross multiply
    125,436.36x = 188,167.90 × 36,690.33
  4. Step 4: Simplify right side
    125,436.36x = 6,903,942,346.41
  5. Step 5: Solve for x
    x = 6,903,942,346.41/125,436.36
  6. Step 6: Final answer
    x = 55,039.40

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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.