Home / 125,922.40-188,883.60-112,144.30

Finding the Fourth Proportional to 125,922.40, 188,883.60 and 112,144.30

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Solution

The fourth proportional to 125,922.40, 188,883.60 and 112,144.30 is: 168,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,922.40 : 188,883.60 = 112,144.30 : x
  2. Step 2: Convert to fraction form
    125,922.40/188,883.60 = 112,144.30/x
  3. Step 3: Cross multiply
    125,922.40x = 188,883.60 × 112,144.30
  4. Step 4: Simplify right side
    125,922.40x = 21,182,219,103.48
  5. Step 5: Solve for x
    x = 21,182,219,103.48/125,922.40
  6. Step 6: Final answer
    x = 168,216.45

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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.