Home / 185,166.65-255,529.73-100,284.05

Finding the Fourth Proportional to 185,166.65, 255,529.73 and 100,284.05

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Solution

The fourth proportional to 185,166.65, 255,529.73 and 100,284.05 is: 138,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,166.65 : 255,529.73 = 100,284.05 : x
  2. Step 2: Convert to fraction form
    185,166.65/255,529.73 = 100,284.05/x
  3. Step 3: Cross multiply
    185,166.65x = 255,529.73 × 100,284.05
  4. Step 4: Simplify right side
    185,166.65x = 25,625,554,440.74
  5. Step 5: Solve for x
    x = 25,625,554,440.74/185,166.65
  6. Step 6: Final answer
    x = 138,391.85

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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.