Home / 108,427.05-162,737.77-90,768.24

Finding the Fourth Proportional to 108,427.05, 162,737.77 and 90,768.24

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Solution

The fourth proportional to 108,427.05, 162,737.77 and 90,768.24 is: 136,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,427.05 : 162,737.77 = 90,768.24 : x
  2. Step 2: Convert to fraction form
    108,427.05/162,737.77 = 90,768.24/x
  3. Step 3: Cross multiply
    108,427.05x = 162,737.77 × 90,768.24
  4. Step 4: Simplify right side
    108,427.05x = 14,771,420,964.42
  5. Step 5: Solve for x
    x = 14,771,420,964.42/108,427.05
  6. Step 6: Final answer
    x = 136,233.73

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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.