Home / 97,384.20-146,124.90-55,296.60

Finding the Fourth Proportional to 97,384.20, 146,124.90 and 55,296.60

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Solution

The fourth proportional to 97,384.20, 146,124.90 and 55,296.60 is: 82,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,384.20 : 146,124.90 = 55,296.60 : x
  2. Step 2: Convert to fraction form
    97,384.20/146,124.90 = 55,296.60/x
  3. Step 3: Cross multiply
    97,384.20x = 146,124.90 × 55,296.60
  4. Step 4: Simplify right side
    97,384.20x = 8,080,210,145.34
  5. Step 5: Solve for x
    x = 8,080,210,145.34/97,384.20
  6. Step 6: Final answer
    x = 82,972.50

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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.