Home / 181,072.12-249,859.25-100,503.04

Finding the Fourth Proportional to 181,072.12, 249,859.25 and 100,503.04

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Solution

The fourth proportional to 181,072.12, 249,859.25 and 100,503.04 is: 138,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,072.12 : 249,859.25 = 100,503.04 : x
  2. Step 2: Convert to fraction form
    181,072.12/249,859.25 = 100,503.04/x
  3. Step 3: Cross multiply
    181,072.12x = 249,859.25 × 100,503.04
  4. Step 4: Simplify right side
    181,072.12x = 25,111,613,199.08
  5. Step 5: Solve for x
    x = 25,111,613,199.08/181,072.12
  6. Step 6: Final answer
    x = 138,682.94

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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.