Home / 103,960.08-143,464.23-56,213.21

Finding the Fourth Proportional to 103,960.08, 143,464.23 and 56,213.21

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Solution

The fourth proportional to 103,960.08, 143,464.23 and 56,213.21 is: 77,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,960.08 : 143,464.23 = 56,213.21 : x
  2. Step 2: Convert to fraction form
    103,960.08/143,464.23 = 56,213.21/x
  3. Step 3: Cross multiply
    103,960.08x = 143,464.23 × 56,213.21
  4. Step 4: Simplify right side
    103,960.08x = 8,064,585,247.14
  5. Step 5: Solve for x
    x = 8,064,585,247.14/103,960.08
  6. Step 6: Final answer
    x = 77,573.87

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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.