Home / 72,152.13-108,238.95-22,228.05

Finding the Fourth Proportional to 72,152.13, 108,238.95 and 22,228.05

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Solution

The fourth proportional to 72,152.13, 108,238.95 and 22,228.05 is: 33,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,152.13 : 108,238.95 = 22,228.05 : x
  2. Step 2: Convert to fraction form
    72,152.13/108,238.95 = 22,228.05/x
  3. Step 3: Cross multiply
    72,152.13x = 108,238.95 × 22,228.05
  4. Step 4: Simplify right side
    72,152.13x = 2,405,941,198.44
  5. Step 5: Solve for x
    x = 2,405,941,198.44/72,152.13
  6. Step 6: Final answer
    x = 33,345.39

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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.