Home / 180,514.26-249,137.28-112,542.30

Finding the Fourth Proportional to 180,514.26, 249,137.28 and 112,542.30

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Solution

The fourth proportional to 180,514.26, 249,137.28 and 112,542.30 is: 155,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,514.26 : 249,137.28 = 112,542.30 : x
  2. Step 2: Convert to fraction form
    180,514.26/249,137.28 = 112,542.30/x
  3. Step 3: Cross multiply
    180,514.26x = 249,137.28 × 112,542.30
  4. Step 4: Simplify right side
    180,514.26x = 28,038,482,506.94
  5. Step 5: Solve for x
    x = 28,038,482,506.94/180,514.26
  6. Step 6: Final answer
    x = 155,325.58

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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.