Home / 162,384.90-243,729.23-82,480.02

Finding the Fourth Proportional to 162,384.90, 243,729.23 and 82,480.02

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Solution

The fourth proportional to 162,384.90, 243,729.23 and 82,480.02 is: 123,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384.90 : 243,729.23 = 82,480.02 : x
  2. Step 2: Convert to fraction form
    162,384.90/243,729.23 = 82,480.02/x
  3. Step 3: Cross multiply
    162,384.90x = 243,729.23 × 82,480.02
  4. Step 4: Simplify right side
    162,384.90x = 20,102,791,352.58
  5. Step 5: Solve for x
    x = 20,102,791,352.58/162,384.90
  6. Step 6: Final answer
    x = 123,797.17

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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.