Home / 180,895.03-249,618.65-100,322.30

Finding the Fourth Proportional to 180,895.03, 249,618.65 and 100,322.30

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Solution

The fourth proportional to 180,895.03, 249,618.65 and 100,322.30 is: 138,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.03 : 249,618.65 = 100,322.30 : x
  2. Step 2: Convert to fraction form
    180,895.03/249,618.65 = 100,322.30/x
  3. Step 3: Cross multiply
    180,895.03x = 249,618.65 × 100,322.30
  4. Step 4: Simplify right side
    180,895.03x = 25,042,317,213.33
  5. Step 5: Solve for x
    x = 25,042,317,213.33/180,895.03
  6. Step 6: Final answer
    x = 138,435.63

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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.