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Finding the Fourth Proportional to 101,603.82, 152,065.71 and 100,259.64

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Solution

The fourth proportional to 101,603.82, 152,065.71 and 100,259.64 is: 150,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,603.82 : 152,065.71 = 100,259.64 : x
  2. Step 2: Convert to fraction form
    101,603.82/152,065.71 = 100,259.64/x
  3. Step 3: Cross multiply
    101,603.82x = 152,065.71 × 100,259.64
  4. Step 4: Simplify right side
    101,603.82x = 15,246,053,340.94
  5. Step 5: Solve for x
    x = 15,246,053,340.94/101,603.82
  6. Step 6: Final answer
    x = 150,053.94

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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.