Home / 108,377.21-162,612.52-45,209.77

Finding the Fourth Proportional to 108,377.21, 162,612.52 and 45,209.77

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Solution

The fourth proportional to 108,377.21, 162,612.52 and 45,209.77 is: 67,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,377.21 : 162,612.52 = 45,209.77 : x
  2. Step 2: Convert to fraction form
    108,377.21/162,612.52 = 45,209.77/x
  3. Step 3: Cross multiply
    108,377.21x = 162,612.52 × 45,209.77
  4. Step 4: Simplify right side
    108,377.21x = 7,351,674,628.32
  5. Step 5: Solve for x
    x = 7,351,674,628.32/108,377.21
  6. Step 6: Final answer
    x = 67,834.14

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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.