Home / 173,480.12-259,507.36-138,488.12

Finding the Fourth Proportional to 173,480.12, 259,507.36 and 138,488.12

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Solution

The fourth proportional to 173,480.12, 259,507.36 and 138,488.12 is: 207,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,480.12 : 259,507.36 = 138,488.12 : x
  2. Step 2: Convert to fraction form
    173,480.12/259,507.36 = 138,488.12/x
  3. Step 3: Cross multiply
    173,480.12x = 259,507.36 × 138,488.12
  4. Step 4: Simplify right side
    173,480.12x = 35,938,686,412.56
  5. Step 5: Solve for x
    x = 35,938,686,412.56/173,480.12
  6. Step 6: Final answer
    x = 207,163.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.