Home / 103,674.12-155,492.34-28,775.44

Finding the Fourth Proportional to 103,674.12, 155,492.34 and 28,775.44

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Solution

The fourth proportional to 103,674.12, 155,492.34 and 28,775.44 is: 43,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.12 : 155,492.34 = 28,775.44 : x
  2. Step 2: Convert to fraction form
    103,674.12/155,492.34 = 28,775.44/x
  3. Step 3: Cross multiply
    103,674.12x = 155,492.34 × 28,775.44
  4. Step 4: Simplify right side
    103,674.12x = 4,474,360,500.13
  5. Step 5: Solve for x
    x = 4,474,360,500.13/103,674.12
  6. Step 6: Final answer
    x = 43,157.93

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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.