Home / 180,895.26-249,650.80-100,348.74

Finding the Fourth Proportional to 180,895.26, 249,650.80 and 100,348.74

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Solution

The fourth proportional to 180,895.26, 249,650.80 and 100,348.74 is: 138,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.26 : 249,650.80 = 100,348.74 : x
  2. Step 2: Convert to fraction form
    180,895.26/249,650.80 = 100,348.74/x
  3. Step 3: Cross multiply
    180,895.26x = 249,650.80 × 100,348.74
  4. Step 4: Simplify right side
    180,895.26x = 25,052,142,969.12
  5. Step 5: Solve for x
    x = 25,052,142,969.12/180,895.26
  6. Step 6: Final answer
    x = 138,489.77

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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.