Home / 181,146.41-249,989.86-100,573.94

Finding the Fourth Proportional to 181,146.41, 249,989.86 and 100,573.94

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Solution

The fourth proportional to 181,146.41, 249,989.86 and 100,573.94 is: 138,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,146.41 : 249,989.86 = 100,573.94 : x
  2. Step 2: Convert to fraction form
    181,146.41/249,989.86 = 100,573.94/x
  3. Step 3: Cross multiply
    181,146.41x = 249,989.86 × 100,573.94
  4. Step 4: Simplify right side
    181,146.41x = 25,142,465,180.25
  5. Step 5: Solve for x
    x = 25,142,465,180.25/181,146.41
  6. Step 6: Final answer
    x = 138,796.38

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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.