Home / 180,704.10-249,364.50-100,135.02

Finding the Fourth Proportional to 180,704.10, 249,364.50 and 100,135.02

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Solution

The fourth proportional to 180,704.10, 249,364.50 and 100,135.02 is: 138,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,704.10 : 249,364.50 = 100,135.02 : x
  2. Step 2: Convert to fraction form
    180,704.10/249,364.50 = 100,135.02/x
  3. Step 3: Cross multiply
    180,704.10x = 249,364.50 × 100,135.02
  4. Step 4: Simplify right side
    180,704.10x = 24,970,119,194.79
  5. Step 5: Solve for x
    x = 24,970,119,194.79/180,704.10
  6. Step 6: Final answer
    x = 138,182.36

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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.