Home / 109,570.03-164,256.36-39,400

Finding the Fourth Proportional to 109,570.03, 164,256.36 and 39,400

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Solution

The fourth proportional to 109,570.03, 164,256.36 and 39,400 is: 59,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,570.03 : 164,256.36 = 39,400 : x
  2. Step 2: Convert to fraction form
    109,570.03/164,256.36 = 39,400/x
  3. Step 3: Cross multiply
    109,570.03x = 164,256.36 × 39,400
  4. Step 4: Simplify right side
    109,570.03x = 6,471,700,584.00
  5. Step 5: Solve for x
    x = 6,471,700,584.00/109,570.03
  6. Step 6: Final answer
    x = 59,064.51

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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.