Home / 100,623.10-150,934.65-30,493.30

Finding the Fourth Proportional to 100,623.10, 150,934.65 and 30,493.30

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Solution

The fourth proportional to 100,623.10, 150,934.65 and 30,493.30 is: 45,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.10 : 150,934.65 = 30,493.30 : x
  2. Step 2: Convert to fraction form
    100,623.10/150,934.65 = 30,493.30/x
  3. Step 3: Cross multiply
    100,623.10x = 150,934.65 × 30,493.30
  4. Step 4: Simplify right side
    100,623.10x = 4,602,495,562.85
  5. Step 5: Solve for x
    x = 4,602,495,562.85/100,623.10
  6. Step 6: Final answer
    x = 45,739.95

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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.