Home / 180,771.09-249,479.04-100,223.88

Finding the Fourth Proportional to 180,771.09, 249,479.04 and 100,223.88

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Solution

The fourth proportional to 180,771.09, 249,479.04 and 100,223.88 is: 138,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,771.09 : 249,479.04 = 100,223.88 : x
  2. Step 2: Convert to fraction form
    180,771.09/249,479.04 = 100,223.88/x
  3. Step 3: Cross multiply
    180,771.09x = 249,479.04 × 100,223.88
  4. Step 4: Simplify right side
    180,771.09x = 25,003,757,367.48
  5. Step 5: Solve for x
    x = 25,003,757,367.48/180,771.09
  6. Step 6: Final answer
    x = 138,317.24

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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.