Home / 180,766.09-249,472.14-100,218.88

Finding the Fourth Proportional to 180,766.09, 249,472.14 and 100,218.88

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Solution

The fourth proportional to 180,766.09, 249,472.14 and 100,218.88 is: 138,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,766.09 : 249,472.14 = 100,218.88 : x
  2. Step 2: Convert to fraction form
    180,766.09/249,472.14 = 100,218.88/x
  3. Step 3: Cross multiply
    180,766.09x = 249,472.14 × 100,218.88
  4. Step 4: Simplify right side
    180,766.09x = 25,001,818,462.00
  5. Step 5: Solve for x
    x = 25,001,818,462.00/180,766.09
  6. Step 6: Final answer
    x = 138,310.33

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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.