Home / 100,001.15-150,001.85-40,836.81

Finding the Fourth Proportional to 100,001.15, 150,001.85 and 40,836.81

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Solution

The fourth proportional to 100,001.15, 150,001.85 and 40,836.81 is: 61,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.15 : 150,001.85 = 40,836.81 : x
  2. Step 2: Convert to fraction form
    100,001.15/150,001.85 = 40,836.81/x
  3. Step 3: Cross multiply
    100,001.15x = 150,001.85 × 40,836.81
  4. Step 4: Simplify right side
    100,001.15x = 6,125,597,048.10
  5. Step 5: Solve for x
    x = 6,125,597,048.10/100,001.15
  6. Step 6: Final answer
    x = 61,255.27

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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.