Home / 180,845.04-249,564.88-100,272.60

Finding the Fourth Proportional to 180,845.04, 249,564.88 and 100,272.60

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Solution

The fourth proportional to 180,845.04, 249,564.88 and 100,272.60 is: 138,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.04 : 249,564.88 = 100,272.60 : x
  2. Step 2: Convert to fraction form
    180,845.04/249,564.88 = 100,272.60/x
  3. Step 3: Cross multiply
    180,845.04x = 249,564.88 × 100,272.60
  4. Step 4: Simplify right side
    180,845.04x = 25,024,519,386.29
  5. Step 5: Solve for x
    x = 25,024,519,386.29/180,845.04
  6. Step 6: Final answer
    x = 138,375.48

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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.