Home / 154,390.68-231,180-124,244.64

Finding the Fourth Proportional to 154,390.68, 231,180 and 124,244.64

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Solution

The fourth proportional to 154,390.68, 231,180 and 124,244.64 is: 186,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,390.68 : 231,180 = 124,244.64 : x
  2. Step 2: Convert to fraction form
    154,390.68/231,180 = 124,244.64/x
  3. Step 3: Cross multiply
    154,390.68x = 231,180 × 124,244.64
  4. Step 4: Simplify right side
    154,390.68x = 28,722,875,875.20
  5. Step 5: Solve for x
    x = 28,722,875,875.20/154,390.68
  6. Step 6: Final answer
    x = 186,040.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.