Home / 142,711.25-214,080.98-52,777.55

Finding the Fourth Proportional to 142,711.25, 214,080.98 and 52,777.55

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Solution

The fourth proportional to 142,711.25, 214,080.98 and 52,777.55 is: 79,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,711.25 : 214,080.98 = 52,777.55 : x
  2. Step 2: Convert to fraction form
    142,711.25/214,080.98 = 52,777.55/x
  3. Step 3: Cross multiply
    142,711.25x = 214,080.98 × 52,777.55
  4. Step 4: Simplify right side
    142,711.25x = 11,298,669,897.31
  5. Step 5: Solve for x
    x = 11,298,669,897.31/142,711.25
  6. Step 6: Final answer
    x = 79,171.55

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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.