Home / 142,377.20-213,493.56-47,573.36

Finding the Fourth Proportional to 142,377.20, 213,493.56 and 47,573.36

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Solution

The fourth proportional to 142,377.20, 213,493.56 and 47,573.36 is: 71,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,377.20 : 213,493.56 = 47,573.36 : x
  2. Step 2: Convert to fraction form
    142,377.20/213,493.56 = 47,573.36/x
  3. Step 3: Cross multiply
    142,377.20x = 213,493.56 × 47,573.36
  4. Step 4: Simplify right side
    142,377.20x = 10,156,605,987.56
  5. Step 5: Solve for x
    x = 10,156,605,987.56/142,377.20
  6. Step 6: Final answer
    x = 71,335.90

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1.5x scale

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.