Home / 154,732.68-213,552.72-111,851.28

Finding the Fourth Proportional to 154,732.68, 213,552.72 and 111,851.28

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Solution

The fourth proportional to 154,732.68, 213,552.72 and 111,851.28 is: 154,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,732.68 : 213,552.72 = 111,851.28 : x
  2. Step 2: Convert to fraction form
    154,732.68/213,552.72 = 111,851.28/x
  3. Step 3: Cross multiply
    154,732.68x = 213,552.72 × 111,851.28
  4. Step 4: Simplify right side
    154,732.68x = 23,886,145,079.48
  5. Step 5: Solve for x
    x = 23,886,145,079.48/154,732.68
  6. Step 6: Final answer
    x = 154,370.40

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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.