Home / 180,664.02-249,318.11-100,092.65

Finding the Fourth Proportional to 180,664.02, 249,318.11 and 100,092.65

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Solution

The fourth proportional to 180,664.02, 249,318.11 and 100,092.65 is: 138,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.02 : 249,318.11 = 100,092.65 : x
  2. Step 2: Convert to fraction form
    180,664.02/249,318.11 = 100,092.65/x
  3. Step 3: Cross multiply
    180,664.02x = 249,318.11 × 100,092.65
  4. Step 4: Simplify right side
    180,664.02x = 24,954,909,326.53
  5. Step 5: Solve for x
    x = 24,954,909,326.53/180,664.02
  6. Step 6: Final answer
    x = 138,128.83

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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.