Home / 181,010.12-249,794.28-100,437.68

Finding the Fourth Proportional to 181,010.12, 249,794.28 and 100,437.68

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Solution

The fourth proportional to 181,010.12, 249,794.28 and 100,437.68 is: 138,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,010.12 : 249,794.28 = 100,437.68 : x
  2. Step 2: Convert to fraction form
    181,010.12/249,794.28 = 100,437.68/x
  3. Step 3: Cross multiply
    181,010.12x = 249,794.28 × 100,437.68
  4. Step 4: Simplify right side
    181,010.12x = 25,088,757,960.47
  5. Step 5: Solve for x
    x = 25,088,757,960.47/181,010.12
  6. Step 6: Final answer
    x = 138,604.17

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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.