Home / 180,723.72-249,400.20-100,152.60

Finding the Fourth Proportional to 180,723.72, 249,400.20 and 100,152.60

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Solution

The fourth proportional to 180,723.72, 249,400.20 and 100,152.60 is: 138,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.72 : 249,400.20 = 100,152.60 : x
  2. Step 2: Convert to fraction form
    180,723.72/249,400.20 = 100,152.60/x
  3. Step 3: Cross multiply
    180,723.72x = 249,400.20 × 100,152.60
  4. Step 4: Simplify right side
    180,723.72x = 24,978,078,470.52
  5. Step 5: Solve for x
    x = 24,978,078,470.52/180,723.72
  6. Step 6: Final answer
    x = 138,211.40

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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.