Home / 284,286.61-426,052.20-124,120.45

Finding the Fourth Proportional to 284,286.61, 426,052.20 and 124,120.45

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Solution

The fourth proportional to 284,286.61, 426,052.20 and 124,120.45 is: 186,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,286.61 : 426,052.20 = 124,120.45 : x
  2. Step 2: Convert to fraction form
    284,286.61/426,052.20 = 124,120.45/x
  3. Step 3: Cross multiply
    284,286.61x = 426,052.20 × 124,120.45
  4. Step 4: Simplify right side
    284,286.61x = 52,881,791,785.51
  5. Step 5: Solve for x
    x = 52,881,791,785.51/284,286.61
  6. Step 6: Final answer
    x = 186,015.77

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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.