Home / 345,757.02-518,635.62-109,118.22

Finding the Fourth Proportional to 345,757.02, 518,635.62 and 109,118.22

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Solution

The fourth proportional to 345,757.02, 518,635.62 and 109,118.22 is: 163,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,757.02 : 518,635.62 = 109,118.22 : x
  2. Step 2: Convert to fraction form
    345,757.02/518,635.62 = 109,118.22/x
  3. Step 3: Cross multiply
    345,757.02x = 518,635.62 × 109,118.22
  4. Step 4: Simplify right side
    345,757.02x = 56,592,595,683.00
  5. Step 5: Solve for x
    x = 56,592,595,683.00/345,757.02
  6. Step 6: Final answer
    x = 163,677.36

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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.