Home / 180,725.18-249,402.14-100,154

Finding the Fourth Proportional to 180,725.18, 249,402.14 and 100,154

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Solution

The fourth proportional to 180,725.18, 249,402.14 and 100,154 is: 138,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,725.18 : 249,402.14 = 100,154 : x
  2. Step 2: Convert to fraction form
    180,725.18/249,402.14 = 100,154/x
  3. Step 3: Cross multiply
    180,725.18x = 249,402.14 × 100,154
  4. Step 4: Simplify right side
    180,725.18x = 24,978,621,929.56
  5. Step 5: Solve for x
    x = 24,978,621,929.56/180,725.18
  6. Step 6: Final answer
    x = 138,213.29

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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.