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Finding the Fourth Proportional to 181,124.52, 249,952.72 and 113,180.96

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Solution

The fourth proportional to 181,124.52, 249,952.72 and 113,180.96 is: 156,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,124.52 : 249,952.72 = 113,180.96 : x
  2. Step 2: Convert to fraction form
    181,124.52/249,952.72 = 113,180.96/x
  3. Step 3: Cross multiply
    181,124.52x = 249,952.72 × 113,180.96
  4. Step 4: Simplify right side
    181,124.52x = 28,289,888,804.21
  5. Step 5: Solve for x
    x = 28,289,888,804.21/181,124.52
  6. Step 6: Final answer
    x = 156,190.28

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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.