Home / 162,055.85-243,109.69-68,562.41

Finding the Fourth Proportional to 162,055.85, 243,109.69 and 68,562.41

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Solution

The fourth proportional to 162,055.85, 243,109.69 and 68,562.41 is: 102,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,055.85 : 243,109.69 = 68,562.41 : x
  2. Step 2: Convert to fraction form
    162,055.85/243,109.69 = 68,562.41/x
  3. Step 3: Cross multiply
    162,055.85x = 243,109.69 × 68,562.41
  4. Step 4: Simplify right side
    162,055.85x = 16,668,185,025.20
  5. Step 5: Solve for x
    x = 16,668,185,025.20/162,055.85
  6. Step 6: Final answer
    x = 102,854.57

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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.