Home / 123,579.42-185,378.85-48,694.38

Finding the Fourth Proportional to 123,579.42, 185,378.85 and 48,694.38

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Solution

The fourth proportional to 123,579.42, 185,378.85 and 48,694.38 is: 73,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,579.42 : 185,378.85 = 48,694.38 : x
  2. Step 2: Convert to fraction form
    123,579.42/185,378.85 = 48,694.38/x
  3. Step 3: Cross multiply
    123,579.42x = 185,378.85 × 48,694.38
  4. Step 4: Simplify right side
    123,579.42x = 9,026,908,165.86
  5. Step 5: Solve for x
    x = 9,026,908,165.86/123,579.42
  6. Step 6: Final answer
    x = 73,045.40

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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.