Home / 180,968.06-249,736.24-100,395.59

Finding the Fourth Proportional to 180,968.06, 249,736.24 and 100,395.59

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Solution

The fourth proportional to 180,968.06, 249,736.24 and 100,395.59 is: 138,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,968.06 : 249,736.24 = 100,395.59 : x
  2. Step 2: Convert to fraction form
    180,968.06/249,736.24 = 100,395.59/x
  3. Step 3: Cross multiply
    180,968.06x = 249,736.24 × 100,395.59
  4. Step 4: Simplify right side
    180,968.06x = 25,072,417,532.53
  5. Step 5: Solve for x
    x = 25,072,417,532.53/180,968.06
  6. Step 6: Final answer
    x = 138,546.09

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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.