Home / 180,845.82-249,567.75-100,279.02

Finding the Fourth Proportional to 180,845.82, 249,567.75 and 100,279.02

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Solution

The fourth proportional to 180,845.82, 249,567.75 and 100,279.02 is: 138,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.82 : 249,567.75 = 100,279.02 : x
  2. Step 2: Convert to fraction form
    180,845.82/249,567.75 = 100,279.02/x
  3. Step 3: Cross multiply
    180,845.82x = 249,567.75 × 100,279.02
  4. Step 4: Simplify right side
    180,845.82x = 25,026,409,393.61
  5. Step 5: Solve for x
    x = 25,026,409,393.61/180,845.82
  6. Step 6: Final answer
    x = 138,385.34

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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.