Home / 255,039.30-382,559.26-95,112.80

Finding the Fourth Proportional to 255,039.30, 382,559.26 and 95,112.80

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Solution

The fourth proportional to 255,039.30, 382,559.26 and 95,112.80 is: 142,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.30 : 382,559.26 = 95,112.80 : x
  2. Step 2: Convert to fraction form
    255,039.30/382,559.26 = 95,112.80/x
  3. Step 3: Cross multiply
    255,039.30x = 382,559.26 × 95,112.80
  4. Step 4: Simplify right side
    255,039.30x = 36,386,282,384.53
  5. Step 5: Solve for x
    x = 36,386,282,384.53/255,039.30
  6. Step 6: Final answer
    x = 142,669.32

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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.