Home / 162,002.94-223,563.18-90,382.78

Finding the Fourth Proportional to 162,002.94, 223,563.18 and 90,382.78

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Solution

The fourth proportional to 162,002.94, 223,563.18 and 90,382.78 is: 124,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.94 : 223,563.18 = 90,382.78 : x
  2. Step 2: Convert to fraction form
    162,002.94/223,563.18 = 90,382.78/x
  3. Step 3: Cross multiply
    162,002.94x = 223,563.18 × 90,382.78
  4. Step 4: Simplify right side
    162,002.94x = 20,206,261,714.04
  5. Step 5: Solve for x
    x = 20,206,261,714.04/162,002.94
  6. Step 6: Final answer
    x = 124,727.75

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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.