Home / 180,906.05-249,665.67-100,359.52

Finding the Fourth Proportional to 180,906.05, 249,665.67 and 100,359.52

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Solution

The fourth proportional to 180,906.05, 249,665.67 and 100,359.52 is: 138,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,906.05 : 249,665.67 = 100,359.52 : x
  2. Step 2: Convert to fraction form
    180,906.05/249,665.67 = 100,359.52/x
  3. Step 3: Cross multiply
    180,906.05x = 249,665.67 × 100,359.52
  4. Step 4: Simplify right side
    180,906.05x = 25,056,326,177.51
  5. Step 5: Solve for x
    x = 25,056,326,177.51/180,906.05
  6. Step 6: Final answer
    x = 138,504.64

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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.