Home / 215,837.92-297,885.63-123,993.10

Finding the Fourth Proportional to 215,837.92, 297,885.63 and 123,993.10

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Solution

The fourth proportional to 215,837.92, 297,885.63 and 123,993.10 is: 171,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,837.92 : 297,885.63 = 123,993.10 : x
  2. Step 2: Convert to fraction form
    215,837.92/297,885.63 = 123,993.10/x
  3. Step 3: Cross multiply
    215,837.92x = 297,885.63 × 123,993.10
  4. Step 4: Simplify right side
    215,837.92x = 36,935,762,709.15
  5. Step 5: Solve for x
    x = 36,935,762,709.15/215,837.92
  6. Step 6: Final answer
    x = 171,127.31

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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.