Home / 122,022.42-168,304.14-111,983.28

Finding the Fourth Proportional to 122,022.42, 168,304.14 and 111,983.28

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Solution

The fourth proportional to 122,022.42, 168,304.14 and 111,983.28 is: 154,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.42 : 168,304.14 = 111,983.28 : x
  2. Step 2: Convert to fraction form
    122,022.42/168,304.14 = 111,983.28/x
  3. Step 3: Cross multiply
    122,022.42x = 168,304.14 × 111,983.28
  4. Step 4: Simplify right side
    122,022.42x = 18,847,249,634.78
  5. Step 5: Solve for x
    x = 18,847,249,634.78/122,022.42
  6. Step 6: Final answer
    x = 154,457.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.