Home / 110,383.62-152,273.16-72,165.39

Finding the Fourth Proportional to 110,383.62, 152,273.16 and 72,165.39

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Solution

The fourth proportional to 110,383.62, 152,273.16 and 72,165.39 is: 99,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,383.62 : 152,273.16 = 72,165.39 : x
  2. Step 2: Convert to fraction form
    110,383.62/152,273.16 = 72,165.39/x
  3. Step 3: Cross multiply
    110,383.62x = 152,273.16 × 72,165.39
  4. Step 4: Simplify right side
    110,383.62x = 10,988,851,977.93
  5. Step 5: Solve for x
    x = 10,988,851,977.93/110,383.62
  6. Step 6: Final answer
    x = 99,551.47

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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.