Home / 142,560.40-213,675.24-53,757.04

Finding the Fourth Proportional to 142,560.40, 213,675.24 and 53,757.04

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Solution

The fourth proportional to 142,560.40, 213,675.24 and 53,757.04 is: 80,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560.40 : 213,675.24 = 53,757.04 : x
  2. Step 2: Convert to fraction form
    142,560.40/213,675.24 = 53,757.04/x
  3. Step 3: Cross multiply
    142,560.40x = 213,675.24 × 53,757.04
  4. Step 4: Simplify right side
    142,560.40x = 11,486,548,423.69
  5. Step 5: Solve for x
    x = 11,486,548,423.69/142,560.40
  6. Step 6: Final answer
    x = 80,573.21

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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.