Home / 100,012.32-150,040.80-37,683.36

Finding the Fourth Proportional to 100,012.32, 150,040.80 and 37,683.36

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Solution

The fourth proportional to 100,012.32, 150,040.80 and 37,683.36 is: 56,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,012.32 : 150,040.80 = 37,683.36 : x
  2. Step 2: Convert to fraction form
    100,012.32/150,040.80 = 37,683.36/x
  3. Step 3: Cross multiply
    100,012.32x = 150,040.80 × 37,683.36
  4. Step 4: Simplify right side
    100,012.32x = 5,654,041,481.09
  5. Step 5: Solve for x
    x = 5,654,041,481.09/100,012.32
  6. Step 6: Final answer
    x = 56,533.45

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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.