Home / 149,821.60-224,732.40-39,013.60

Finding the Fourth Proportional to 149,821.60, 224,732.40 and 39,013.60

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Solution

The fourth proportional to 149,821.60, 224,732.40 and 39,013.60 is: 58,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,821.60 : 224,732.40 = 39,013.60 : x
  2. Step 2: Convert to fraction form
    149,821.60/224,732.40 = 39,013.60/x
  3. Step 3: Cross multiply
    149,821.60x = 224,732.40 × 39,013.60
  4. Step 4: Simplify right side
    149,821.60x = 8,767,619,960.64
  5. Step 5: Solve for x
    x = 8,767,619,960.64/149,821.60
  6. Step 6: Final answer
    x = 58,520.40

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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.