Home / 109,736.70-164,605.05-39,618.30

Finding the Fourth Proportional to 109,736.70, 164,605.05 and 39,618.30

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Solution

The fourth proportional to 109,736.70, 164,605.05 and 39,618.30 is: 59,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.70 : 164,605.05 = 39,618.30 : x
  2. Step 2: Convert to fraction form
    109,736.70/164,605.05 = 39,618.30/x
  3. Step 3: Cross multiply
    109,736.70x = 164,605.05 × 39,618.30
  4. Step 4: Simplify right side
    109,736.70x = 6,521,372,252.42
  5. Step 5: Solve for x
    x = 6,521,372,252.42/109,736.70
  6. Step 6: Final answer
    x = 59,427.45

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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.