Home / 180,213.45-248,685.35-100,725.45

Finding the Fourth Proportional to 180,213.45, 248,685.35 and 100,725.45

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Solution

The fourth proportional to 180,213.45, 248,685.35 and 100,725.45 is: 138,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,213.45 : 248,685.35 = 100,725.45 : x
  2. Step 2: Convert to fraction form
    180,213.45/248,685.35 = 100,725.45/x
  3. Step 3: Cross multiply
    180,213.45x = 248,685.35 × 100,725.45
  4. Step 4: Simplify right side
    180,213.45x = 25,048,943,283.53
  5. Step 5: Solve for x
    x = 25,048,943,283.53/180,213.45
  6. Step 6: Final answer
    x = 138,995.97

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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.