Home / 163,678.34-245,517.83-45,350

Finding the Fourth Proportional to 163,678.34, 245,517.83 and 45,350

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Solution

The fourth proportional to 163,678.34, 245,517.83 and 45,350 is: 68,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,678.34 : 245,517.83 = 45,350 : x
  2. Step 2: Convert to fraction form
    163,678.34/245,517.83 = 45,350/x
  3. Step 3: Cross multiply
    163,678.34x = 245,517.83 × 45,350
  4. Step 4: Simplify right side
    163,678.34x = 11,134,233,590.50
  5. Step 5: Solve for x
    x = 11,134,233,590.50/163,678.34
  6. Step 6: Final answer
    x = 68,025.09

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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.