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Finding the Fourth Proportional to 181,106.52, 249,914.49 and 100,527.70

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Solution

The fourth proportional to 181,106.52, 249,914.49 and 100,527.70 is: 138,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,106.52 : 249,914.49 = 100,527.70 : x
  2. Step 2: Convert to fraction form
    181,106.52/249,914.49 = 100,527.70/x
  3. Step 3: Cross multiply
    181,106.52x = 249,914.49 × 100,527.70
  4. Step 4: Simplify right side
    181,106.52x = 25,123,328,876.37
  5. Step 5: Solve for x
    x = 25,123,328,876.37/181,106.52
  6. Step 6: Final answer
    x = 138,721.28

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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.