Home / 109,723.90-164,585.85-101,170.30

Finding the Fourth Proportional to 109,723.90, 164,585.85 and 101,170.30

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Solution

The fourth proportional to 109,723.90, 164,585.85 and 101,170.30 is: 151,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,723.90 : 164,585.85 = 101,170.30 : x
  2. Step 2: Convert to fraction form
    109,723.90/164,585.85 = 101,170.30/x
  3. Step 3: Cross multiply
    109,723.90x = 164,585.85 × 101,170.30
  4. Step 4: Simplify right side
    109,723.90x = 16,651,199,820.26
  5. Step 5: Solve for x
    x = 16,651,199,820.26/109,723.90
  6. Step 6: Final answer
    x = 151,755.45

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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.