Home / 109,354.20-150,877.32-71,169.93

Finding the Fourth Proportional to 109,354.20, 150,877.32 and 71,169.93

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Solution

The fourth proportional to 109,354.20, 150,877.32 and 71,169.93 is: 98,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,354.20 : 150,877.32 = 71,169.93 : x
  2. Step 2: Convert to fraction form
    109,354.20/150,877.32 = 71,169.93/x
  3. Step 3: Cross multiply
    109,354.20x = 150,877.32 × 71,169.93
  4. Step 4: Simplify right side
    109,354.20x = 10,737,928,302.99
  5. Step 5: Solve for x
    x = 10,737,928,302.99/109,354.20
  6. Step 6: Final answer
    x = 98,194.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.