Home / 181,076.36-249,882.93-100,503.65

Finding the Fourth Proportional to 181,076.36, 249,882.93 and 100,503.65

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Solution

The fourth proportional to 181,076.36, 249,882.93 and 100,503.65 is: 138,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.36 : 249,882.93 = 100,503.65 : x
  2. Step 2: Convert to fraction form
    181,076.36/249,882.93 = 100,503.65/x
  3. Step 3: Cross multiply
    181,076.36x = 249,882.93 × 100,503.65
  4. Step 4: Simplify right side
    181,076.36x = 25,114,146,537.69
  5. Step 5: Solve for x
    x = 25,114,146,537.69/181,076.36
  6. Step 6: Final answer
    x = 138,693.68

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1.5x scale

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.