Home / 215,732.08-297,697.46-123,830.13

Finding the Fourth Proportional to 215,732.08, 297,697.46 and 123,830.13

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Solution

The fourth proportional to 215,732.08, 297,697.46 and 123,830.13 is: 170,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,732.08 : 297,697.46 = 123,830.13 : x
  2. Step 2: Convert to fraction form
    215,732.08/297,697.46 = 123,830.13/x
  3. Step 3: Cross multiply
    215,732.08x = 297,697.46 × 123,830.13
  4. Step 4: Simplify right side
    215,732.08x = 36,863,916,226.29
  5. Step 5: Solve for x
    x = 36,863,916,226.29/215,732.08
  6. Step 6: Final answer
    x = 170,878.23

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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.