Home / 185,010.23-255,314.88-100,127.28

Finding the Fourth Proportional to 185,010.23, 255,314.88 and 100,127.28

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Solution

The fourth proportional to 185,010.23, 255,314.88 and 100,127.28 is: 138,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,010.23 : 255,314.88 = 100,127.28 : x
  2. Step 2: Convert to fraction form
    185,010.23/255,314.88 = 100,127.28/x
  3. Step 3: Cross multiply
    185,010.23x = 255,314.88 × 100,127.28
  4. Step 4: Simplify right side
    185,010.23x = 25,563,984,477.93
  5. Step 5: Solve for x
    x = 25,563,984,477.93/185,010.23
  6. Step 6: Final answer
    x = 138,176.06

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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.