Home / 108,012.04-161,800.99-53,813.35

Finding the Fourth Proportional to 108,012.04, 161,800.99 and 53,813.35

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Solution

The fourth proportional to 108,012.04, 161,800.99 and 53,813.35 is: 80,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,012.04 : 161,800.99 = 53,813.35 : x
  2. Step 2: Convert to fraction form
    108,012.04/161,800.99 = 53,813.35/x
  3. Step 3: Cross multiply
    108,012.04x = 161,800.99 × 53,813.35
  4. Step 4: Simplify right side
    108,012.04x = 8,707,053,305.22
  5. Step 5: Solve for x
    x = 8,707,053,305.22/108,012.04
  6. Step 6: Final answer
    x = 80,611.88

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1.5x scale

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.