Home / 154,726.24-213,400.56-103,721.44

Finding the Fourth Proportional to 154,726.24, 213,400.56 and 103,721.44

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Solution

The fourth proportional to 154,726.24, 213,400.56 and 103,721.44 is: 143,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,726.24 : 213,400.56 = 103,721.44 : x
  2. Step 2: Convert to fraction form
    154,726.24/213,400.56 = 103,721.44/x
  3. Step 3: Cross multiply
    154,726.24x = 213,400.56 × 103,721.44
  4. Step 4: Simplify right side
    154,726.24x = 22,134,213,380.01
  5. Step 5: Solve for x
    x = 22,134,213,380.01/154,726.24
  6. Step 6: Final answer
    x = 143,054.04

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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.