Home / 180,882.15-249,617.93-100,317.12

Finding the Fourth Proportional to 180,882.15, 249,617.93 and 100,317.12

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Solution

The fourth proportional to 180,882.15, 249,617.93 and 100,317.12 is: 138,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,882.15 : 249,617.93 = 100,317.12 : x
  2. Step 2: Convert to fraction form
    180,882.15/249,617.93 = 100,317.12/x
  3. Step 3: Cross multiply
    180,882.15x = 249,617.93 × 100,317.12
  4. Step 4: Simplify right side
    180,882.15x = 25,040,951,837.96
  5. Step 5: Solve for x
    x = 25,040,951,837.96/180,882.15
  6. Step 6: Final answer
    x = 138,437.94

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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.