Home / 125,923.40-188,885.10-123,736.40

Finding the Fourth Proportional to 125,923.40, 188,885.10 and 123,736.40

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Solution

The fourth proportional to 125,923.40, 188,885.10 and 123,736.40 is: 185,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,923.40 : 188,885.10 = 123,736.40 : x
  2. Step 2: Convert to fraction form
    125,923.40/188,885.10 = 123,736.40/x
  3. Step 3: Cross multiply
    125,923.40x = 188,885.10 × 123,736.40
  4. Step 4: Simplify right side
    125,923.40x = 23,371,962,287.64
  5. Step 5: Solve for x
    x = 23,371,962,287.64/125,923.40
  6. Step 6: Final answer
    x = 185,604.60

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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.