Home / 180,857.88-249,593.85-100,283.69

Finding the Fourth Proportional to 180,857.88, 249,593.85 and 100,283.69

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Solution

The fourth proportional to 180,857.88, 249,593.85 and 100,283.69 is: 138,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,857.88 : 249,593.85 = 100,283.69 : x
  2. Step 2: Convert to fraction form
    180,857.88/249,593.85 = 100,283.69/x
  3. Step 3: Cross multiply
    180,857.88x = 249,593.85 × 100,283.69
  4. Step 4: Simplify right side
    180,857.88x = 25,030,192,903.29
  5. Step 5: Solve for x
    x = 25,030,192,903.29/180,857.88
  6. Step 6: Final answer
    x = 138,397.03

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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.