Home / 72,210.04-108,305.04-22,291.78

Finding the Fourth Proportional to 72,210.04, 108,305.04 and 22,291.78

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Solution

The fourth proportional to 72,210.04, 108,305.04 and 22,291.78 is: 33,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210.04 : 108,305.04 = 22,291.78 : x
  2. Step 2: Convert to fraction form
    72,210.04/108,305.04 = 22,291.78/x
  3. Step 3: Cross multiply
    72,210.04x = 108,305.04 × 22,291.78
  4. Step 4: Simplify right side
    72,210.04x = 2,414,312,124.57
  5. Step 5: Solve for x
    x = 2,414,312,124.57/72,210.04
  6. Step 6: Final answer
    x = 33,434.58

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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.