Home / 180,881.22-249,599.76-100,308.54

Finding the Fourth Proportional to 180,881.22, 249,599.76 and 100,308.54

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Solution

The fourth proportional to 180,881.22, 249,599.76 and 100,308.54 is: 138,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,881.22 : 249,599.76 = 100,308.54 : x
  2. Step 2: Convert to fraction form
    180,881.22/249,599.76 = 100,308.54/x
  3. Step 3: Cross multiply
    180,881.22x = 249,599.76 × 100,308.54
  4. Step 4: Simplify right side
    180,881.22x = 25,036,987,509.95
  5. Step 5: Solve for x
    x = 25,036,987,509.95/180,881.22
  6. Step 6: Final answer
    x = 138,416.73

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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.