Home / 115,784.09-173,585.41-45,715.85

Finding the Fourth Proportional to 115,784.09, 173,585.41 and 45,715.85

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Solution

The fourth proportional to 115,784.09, 173,585.41 and 45,715.85 is: 68,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,784.09 : 173,585.41 = 45,715.85 : x
  2. Step 2: Convert to fraction form
    115,784.09/173,585.41 = 45,715.85/x
  3. Step 3: Cross multiply
    115,784.09x = 173,585.41 × 45,715.85
  4. Step 4: Simplify right side
    115,784.09x = 7,935,604,565.75
  5. Step 5: Solve for x
    x = 7,935,604,565.75/115,784.09
  6. Step 6: Final answer
    x = 68,537.95

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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.