Home / 109,739.10-164,608.65-65,502.30

Finding the Fourth Proportional to 109,739.10, 164,608.65 and 65,502.30

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Solution

The fourth proportional to 109,739.10, 164,608.65 and 65,502.30 is: 98,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.10 : 164,608.65 = 65,502.30 : x
  2. Step 2: Convert to fraction form
    109,739.10/164,608.65 = 65,502.30/x
  3. Step 3: Cross multiply
    109,739.10x = 164,608.65 × 65,502.30
  4. Step 4: Simplify right side
    109,739.10x = 10,782,245,174.90
  5. Step 5: Solve for x
    x = 10,782,245,174.90/109,739.10
  6. Step 6: Final answer
    x = 98,253.45

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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.