Home / 100,548.32-150,829.50-30,432.92

Finding the Fourth Proportional to 100,548.32, 150,829.50 and 30,432.92

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Solution

The fourth proportional to 100,548.32, 150,829.50 and 30,432.92 is: 45,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,548.32 : 150,829.50 = 30,432.92 : x
  2. Step 2: Convert to fraction form
    100,548.32/150,829.50 = 30,432.92/x
  3. Step 3: Cross multiply
    100,548.32x = 150,829.50 × 30,432.92
  4. Step 4: Simplify right side
    100,548.32x = 4,590,182,107.14
  5. Step 5: Solve for x
    x = 4,590,182,107.14/100,548.32
  6. Step 6: Final answer
    x = 45,651.50

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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.