Home / 112,043.03-154,618.62-61,742.03

Finding the Fourth Proportional to 112,043.03, 154,618.62 and 61,742.03

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Solution

The fourth proportional to 112,043.03, 154,618.62 and 61,742.03 is: 85,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.03 : 154,618.62 = 61,742.03 : x
  2. Step 2: Convert to fraction form
    112,043.03/154,618.62 = 61,742.03/x
  3. Step 3: Cross multiply
    112,043.03x = 154,618.62 × 61,742.03
  4. Step 4: Simplify right side
    112,043.03x = 9,546,467,474.60
  5. Step 5: Solve for x
    x = 9,546,467,474.60/112,043.03
  6. Step 6: Final answer
    x = 85,203.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.