Home / 142,741.57-214,115.82-47,973.13

Finding the Fourth Proportional to 142,741.57, 214,115.82 and 47,973.13

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Solution

The fourth proportional to 142,741.57, 214,115.82 and 47,973.13 is: 71,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.57 : 214,115.82 = 47,973.13 : x
  2. Step 2: Convert to fraction form
    142,741.57/214,115.82 = 47,973.13/x
  3. Step 3: Cross multiply
    142,741.57x = 214,115.82 × 47,973.13
  4. Step 4: Simplify right side
    142,741.57x = 10,271,806,067.92
  5. Step 5: Solve for x
    x = 10,271,806,067.92/142,741.57
  6. Step 6: Final answer
    x = 71,960.86

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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.