Home / 109,739.80-164,609.70-43,182.10

Finding the Fourth Proportional to 109,739.80, 164,609.70 and 43,182.10

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Solution

The fourth proportional to 109,739.80, 164,609.70 and 43,182.10 is: 64,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.80 : 164,609.70 = 43,182.10 : x
  2. Step 2: Convert to fraction form
    109,739.80/164,609.70 = 43,182.10/x
  3. Step 3: Cross multiply
    109,739.80x = 164,609.70 × 43,182.10
  4. Step 4: Simplify right side
    109,739.80x = 7,108,192,526.37
  5. Step 5: Solve for x
    x = 7,108,192,526.37/109,739.80
  6. Step 6: Final answer
    x = 64,773.15

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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.