Home / 125,923.40-188,885.10-112,145.30

Finding the Fourth Proportional to 125,923.40, 188,885.10 and 112,145.30

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Solution

The fourth proportional to 125,923.40, 188,885.10 and 112,145.30 is: 168,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,923.40 : 188,885.10 = 112,145.30 : x
  2. Step 2: Convert to fraction form
    125,923.40/188,885.10 = 112,145.30/x
  3. Step 3: Cross multiply
    125,923.40x = 188,885.10 × 112,145.30
  4. Step 4: Simplify right side
    125,923.40x = 21,182,576,205.03
  5. Step 5: Solve for x
    x = 21,182,576,205.03/125,923.40
  6. Step 6: Final answer
    x = 168,217.95

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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.