Home / 154,884.32-213,805.86-104,651.36

Finding the Fourth Proportional to 154,884.32, 213,805.86 and 104,651.36

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Solution

The fourth proportional to 154,884.32, 213,805.86 and 104,651.36 is: 144,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,884.32 : 213,805.86 = 104,651.36 : x
  2. Step 2: Convert to fraction form
    154,884.32/213,805.86 = 104,651.36/x
  3. Step 3: Cross multiply
    154,884.32x = 213,805.86 × 104,651.36
  4. Step 4: Simplify right side
    154,884.32x = 22,375,074,024.97
  5. Step 5: Solve for x
    x = 22,375,074,024.97/154,884.32
  6. Step 6: Final answer
    x = 144,463.13

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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.