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Finding the Fourth Proportional to 181,054.32, 249,884.84 and 100,507.64

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Solution

The fourth proportional to 181,054.32, 249,884.84 and 100,507.64 is: 138,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054.32 : 249,884.84 = 100,507.64 : x
  2. Step 2: Convert to fraction form
    181,054.32/249,884.84 = 100,507.64/x
  3. Step 3: Cross multiply
    181,054.32x = 249,884.84 × 100,507.64
  4. Step 4: Simplify right side
    181,054.32x = 25,115,335,540.18
  5. Step 5: Solve for x
    x = 25,115,335,540.18/181,054.32
  6. Step 6: Final answer
    x = 138,717.13

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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.