Home / 180,582.46-249,245.26-120,155.64

Finding the Fourth Proportional to 180,582.46, 249,245.26 and 120,155.64

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Solution

The fourth proportional to 180,582.46, 249,245.26 and 120,155.64 is: 165,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,582.46 : 249,245.26 = 120,155.64 : x
  2. Step 2: Convert to fraction form
    180,582.46/249,245.26 = 120,155.64/x
  3. Step 3: Cross multiply
    180,582.46x = 249,245.26 × 120,155.64
  4. Step 4: Simplify right side
    180,582.46x = 29,948,223,732.27
  5. Step 5: Solve for x
    x = 29,948,223,732.27/180,582.46
  6. Step 6: Final answer
    x = 165,842.37

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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.