Home / 120,513.83-166,302.99-66,798.27

Finding the Fourth Proportional to 120,513.83, 166,302.99 and 66,798.27

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Solution

The fourth proportional to 120,513.83, 166,302.99 and 66,798.27 is: 92,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,513.83 : 166,302.99 = 66,798.27 : x
  2. Step 2: Convert to fraction form
    120,513.83/166,302.99 = 66,798.27/x
  3. Step 3: Cross multiply
    120,513.83x = 166,302.99 × 66,798.27
  4. Step 4: Simplify right side
    120,513.83x = 11,108,752,027.83
  5. Step 5: Solve for x
    x = 11,108,752,027.83/120,513.83
  6. Step 6: Final answer
    x = 92,178.24

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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.