Home / 112,043.56-154,619.28-61,742.56

Finding the Fourth Proportional to 112,043.56, 154,619.28 and 61,742.56

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Solution

The fourth proportional to 112,043.56, 154,619.28 and 61,742.56 is: 85,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.56 : 154,619.28 = 61,742.56 : x
  2. Step 2: Convert to fraction form
    112,043.56/154,619.28 = 61,742.56/x
  3. Step 3: Cross multiply
    112,043.56x = 154,619.28 × 61,742.56
  4. Step 4: Simplify right side
    112,043.56x = 9,546,590,172.56
  5. Step 5: Solve for x
    x = 9,546,590,172.56/112,043.56
  6. Step 6: Final answer
    x = 85,204.27

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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.