Home / 255,184.06-382,917.03-105,389.50

Finding the Fourth Proportional to 255,184.06, 382,917.03 and 105,389.50

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Solution

The fourth proportional to 255,184.06, 382,917.03 and 105,389.50 is: 158,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,184.06 : 382,917.03 = 105,389.50 : x
  2. Step 2: Convert to fraction form
    255,184.06/382,917.03 = 105,389.50/x
  3. Step 3: Cross multiply
    255,184.06x = 382,917.03 × 105,389.50
  4. Step 4: Simplify right side
    255,184.06x = 40,355,434,333.19
  5. Step 5: Solve for x
    x = 40,355,434,333.19/255,184.06
  6. Step 6: Final answer
    x = 158,142.46

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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.