Home / 185,020.04-255,328.73-100,137.11

Finding the Fourth Proportional to 185,020.04, 255,328.73 and 100,137.11

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Solution

The fourth proportional to 185,020.04, 255,328.73 and 100,137.11 is: 138,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,020.04 : 255,328.73 = 100,137.11 : x
  2. Step 2: Convert to fraction form
    185,020.04/255,328.73 = 100,137.11/x
  3. Step 3: Cross multiply
    185,020.04x = 255,328.73 × 100,137.11
  4. Step 4: Simplify right side
    185,020.04x = 25,567,880,095.87
  5. Step 5: Solve for x
    x = 25,567,880,095.87/185,020.04
  6. Step 6: Final answer
    x = 138,189.79

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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.