Home / 103,914.31-155,482.22-73,997.69

Finding the Fourth Proportional to 103,914.31, 155,482.22 and 73,997.69

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Solution

The fourth proportional to 103,914.31, 155,482.22 and 73,997.69 is: 110,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,914.31 : 155,482.22 = 73,997.69 : x
  2. Step 2: Convert to fraction form
    103,914.31/155,482.22 = 73,997.69/x
  3. Step 3: Cross multiply
    103,914.31x = 155,482.22 × 73,997.69
  4. Step 4: Simplify right side
    103,914.31x = 11,505,323,968.67
  5. Step 5: Solve for x
    x = 11,505,323,968.67/103,914.31
  6. Step 6: Final answer
    x = 110,719.35

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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.