Home / 100,528.86-150,749.01-47,236

Finding the Fourth Proportional to 100,528.86, 150,749.01 and 47,236

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Solution

The fourth proportional to 100,528.86, 150,749.01 and 47,236 is: 70,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,528.86 : 150,749.01 = 47,236 : x
  2. Step 2: Convert to fraction form
    100,528.86/150,749.01 = 47,236/x
  3. Step 3: Cross multiply
    100,528.86x = 150,749.01 × 47,236
  4. Step 4: Simplify right side
    100,528.86x = 7,120,780,236.36
  5. Step 5: Solve for x
    x = 7,120,780,236.36/100,528.86
  6. Step 6: Final answer
    x = 70,833.19

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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.