Home / 180,929.56-249,683.70-100,351.48

Finding the Fourth Proportional to 180,929.56, 249,683.70 and 100,351.48

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Solution

The fourth proportional to 180,929.56, 249,683.70 and 100,351.48 is: 138,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,929.56 : 249,683.70 = 100,351.48 : x
  2. Step 2: Convert to fraction form
    180,929.56/249,683.70 = 100,351.48/x
  3. Step 3: Cross multiply
    180,929.56x = 249,683.70 × 100,351.48
  4. Step 4: Simplify right side
    180,929.56x = 25,056,128,826.88
  5. Step 5: Solve for x
    x = 25,056,128,826.88/180,929.56
  6. Step 6: Final answer
    x = 138,485.55

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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.