Home / 110,642.37-166,029.18-103,637.14

Finding the Fourth Proportional to 110,642.37, 166,029.18 and 103,637.14

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Solution

The fourth proportional to 110,642.37, 166,029.18 and 103,637.14 is: 155,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,642.37 : 166,029.18 = 103,637.14 : x
  2. Step 2: Convert to fraction form
    110,642.37/166,029.18 = 103,637.14/x
  3. Step 3: Cross multiply
    110,642.37x = 166,029.18 × 103,637.14
  4. Step 4: Simplify right side
    110,642.37x = 17,206,789,371.75
  5. Step 5: Solve for x
    x = 17,206,789,371.75/110,642.37
  6. Step 6: Final answer
    x = 155,517.18

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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.