Home / 104,134.89-143,706.84-56,388.24

Finding the Fourth Proportional to 104,134.89, 143,706.84 and 56,388.24

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Solution

The fourth proportional to 104,134.89, 143,706.84 and 56,388.24 is: 77,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134.89 : 143,706.84 = 56,388.24 : x
  2. Step 2: Convert to fraction form
    104,134.89/143,706.84 = 56,388.24/x
  3. Step 3: Cross multiply
    104,134.89x = 143,706.84 × 56,388.24
  4. Step 4: Simplify right side
    104,134.89x = 8,103,375,568.26
  5. Step 5: Solve for x
    x = 8,103,375,568.26/104,134.89
  6. Step 6: Final answer
    x = 77,816.14

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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.