Home / 180,710.26-249,382.25-100,139.13

Finding the Fourth Proportional to 180,710.26, 249,382.25 and 100,139.13

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Solution

The fourth proportional to 180,710.26, 249,382.25 and 100,139.13 is: 138,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,710.26 : 249,382.25 = 100,139.13 : x
  2. Step 2: Convert to fraction form
    180,710.26/249,382.25 = 100,139.13/x
  3. Step 3: Cross multiply
    180,710.26x = 249,382.25 × 100,139.13
  4. Step 4: Simplify right side
    180,710.26x = 24,972,921,552.44
  5. Step 5: Solve for x
    x = 24,972,921,552.44/180,710.26
  6. Step 6: Final answer
    x = 138,193.16

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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.