Home / 219,069.90-328,422.60-92,807.10

Finding the Fourth Proportional to 219,069.90, 328,422.60 and 92,807.10

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Solution

The fourth proportional to 219,069.90, 328,422.60 and 92,807.10 is: 139,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,069.90 : 328,422.60 = 92,807.10 : x
  2. Step 2: Convert to fraction form
    219,069.90/328,422.60 = 92,807.10/x
  3. Step 3: Cross multiply
    219,069.90x = 328,422.60 × 92,807.10
  4. Step 4: Simplify right side
    219,069.90x = 30,479,949,080.46
  5. Step 5: Solve for x
    x = 30,479,949,080.46/219,069.90
  6. Step 6: Final answer
    x = 139,133.44

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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.