Home / 255,105.68-382,560.06-121,950.24

Finding the Fourth Proportional to 255,105.68, 382,560.06 and 121,950.24

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Solution

The fourth proportional to 255,105.68, 382,560.06 and 121,950.24 is: 182,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,105.68 : 382,560.06 = 121,950.24 : x
  2. Step 2: Convert to fraction form
    255,105.68/382,560.06 = 121,950.24/x
  3. Step 3: Cross multiply
    255,105.68x = 382,560.06 × 121,950.24
  4. Step 4: Simplify right side
    255,105.68x = 46,653,291,131.41
  5. Step 5: Solve for x
    x = 46,653,291,131.41/255,105.68
  6. Step 6: Final answer
    x = 182,878.29

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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.