Home / 111,631.35-166,724.47-101,080.29

Finding the Fourth Proportional to 111,631.35, 166,724.47 and 101,080.29

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Solution

The fourth proportional to 111,631.35, 166,724.47 and 101,080.29 is: 150,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,631.35 : 166,724.47 = 101,080.29 : x
  2. Step 2: Convert to fraction form
    111,631.35/166,724.47 = 101,080.29/x
  3. Step 3: Cross multiply
    111,631.35x = 166,724.47 × 101,080.29
  4. Step 4: Simplify right side
    111,631.35x = 16,852,557,777.70
  5. Step 5: Solve for x
    x = 16,852,557,777.70/111,631.35
  6. Step 6: Final answer
    x = 150,966.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.