Home / 148,830.83-205,383.10-80,846.28

Finding the Fourth Proportional to 148,830.83, 205,383.10 and 80,846.28

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Solution

The fourth proportional to 148,830.83, 205,383.10 and 80,846.28 is: 111,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,830.83 : 205,383.10 = 80,846.28 : x
  2. Step 2: Convert to fraction form
    148,830.83/205,383.10 = 80,846.28/x
  3. Step 3: Cross multiply
    148,830.83x = 205,383.10 × 80,846.28
  4. Step 4: Simplify right side
    148,830.83x = 16,604,459,609.87
  5. Step 5: Solve for x
    x = 16,604,459,609.87/148,830.83
  6. Step 6: Final answer
    x = 111,565.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.