Home / 115,513.27-173,269.79-43,479.63

Finding the Fourth Proportional to 115,513.27, 173,269.79 and 43,479.63

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Solution

The fourth proportional to 115,513.27, 173,269.79 and 43,479.63 is: 65,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,513.27 : 173,269.79 = 43,479.63 : x
  2. Step 2: Convert to fraction form
    115,513.27/173,269.79 = 43,479.63/x
  3. Step 3: Cross multiply
    115,513.27x = 173,269.79 × 43,479.63
  4. Step 4: Simplify right side
    115,513.27x = 7,533,706,141.98
  5. Step 5: Solve for x
    x = 7,533,706,141.98/115,513.27
  6. Step 6: Final answer
    x = 65,219.40

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1.5x scale

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.