Home / 149,651.20-224,787.84-118,702.72

Finding the Fourth Proportional to 149,651.20, 224,787.84 and 118,702.72

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Solution

The fourth proportional to 149,651.20, 224,787.84 and 118,702.72 is: 178,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,651.20 : 224,787.84 = 118,702.72 : x
  2. Step 2: Convert to fraction form
    149,651.20/224,787.84 = 118,702.72/x
  3. Step 3: Cross multiply
    149,651.20x = 224,787.84 × 118,702.72
  4. Step 4: Simplify right side
    149,651.20x = 26,682,928,030.92
  5. Step 5: Solve for x
    x = 26,682,928,030.92/149,651.20
  6. Step 6: Final answer
    x = 178,300.80

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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.