Home / 181,088.76-249,902.06-100,517.25

Finding the Fourth Proportional to 181,088.76, 249,902.06 and 100,517.25

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Solution

The fourth proportional to 181,088.76, 249,902.06 and 100,517.25 is: 138,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,088.76 : 249,902.06 = 100,517.25 : x
  2. Step 2: Convert to fraction form
    181,088.76/249,902.06 = 100,517.25/x
  3. Step 3: Cross multiply
    181,088.76x = 249,902.06 × 100,517.25
  4. Step 4: Simplify right side
    181,088.76x = 25,119,467,840.54
  5. Step 5: Solve for x
    x = 25,119,467,840.54/181,088.76
  6. Step 6: Final answer
    x = 138,713.57

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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.