Home / 142,553.20-213,877.30-47,792.75

Finding the Fourth Proportional to 142,553.20, 213,877.30 and 47,792.75

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Solution

The fourth proportional to 142,553.20, 213,877.30 and 47,792.75 is: 71,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,553.20 : 213,877.30 = 47,792.75 : x
  2. Step 2: Convert to fraction form
    142,553.20/213,877.30 = 47,792.75/x
  3. Step 3: Cross multiply
    142,553.20x = 213,877.30 × 47,792.75
  4. Step 4: Simplify right side
    142,553.20x = 10,221,784,329.58
  5. Step 5: Solve for x
    x = 10,221,784,329.58/142,553.20
  6. Step 6: Final answer
    x = 71,705.05

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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.