Home / 142,835.20-214,252.80-37,664.80

Finding the Fourth Proportional to 142,835.20, 214,252.80 and 37,664.80

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Solution

The fourth proportional to 142,835.20, 214,252.80 and 37,664.80 is: 56,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,835.20 : 214,252.80 = 37,664.80 : x
  2. Step 2: Convert to fraction form
    142,835.20/214,252.80 = 37,664.80/x
  3. Step 3: Cross multiply
    142,835.20x = 214,252.80 × 37,664.80
  4. Step 4: Simplify right side
    142,835.20x = 8,069,788,861.44
  5. Step 5: Solve for x
    x = 8,069,788,861.44/142,835.20
  6. Step 6: Final answer
    x = 56,497.20

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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.