Home / 180,810.23-249,543.99-100,255.73

Finding the Fourth Proportional to 180,810.23, 249,543.99 and 100,255.73

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Solution

The fourth proportional to 180,810.23, 249,543.99 and 100,255.73 is: 138,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,810.23 : 249,543.99 = 100,255.73 : x
  2. Step 2: Convert to fraction form
    180,810.23/249,543.99 = 100,255.73/x
  3. Step 3: Cross multiply
    180,810.23x = 249,543.99 × 100,255.73
  4. Step 4: Simplify right side
    180,810.23x = 25,018,213,636.84
  5. Step 5: Solve for x
    x = 25,018,213,636.84/180,810.23
  6. Step 6: Final answer
    x = 138,367.25

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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.