Home / 180,902.54-249,615.60-100,317.26

Finding the Fourth Proportional to 180,902.54, 249,615.60 and 100,317.26

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Solution

The fourth proportional to 180,902.54, 249,615.60 and 100,317.26 is: 138,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,902.54 : 249,615.60 = 100,317.26 : x
  2. Step 2: Convert to fraction form
    180,902.54/249,615.60 = 100,317.26/x
  3. Step 3: Cross multiply
    180,902.54x = 249,615.60 × 100,317.26
  4. Step 4: Simplify right side
    180,902.54x = 25,040,753,045.26
  5. Step 5: Solve for x
    x = 25,040,753,045.26/180,902.54
  6. Step 6: Final answer
    x = 138,421.24

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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.