Home / 199,539.02-275,465.43-154,115.03

Finding the Fourth Proportional to 199,539.02, 275,465.43 and 154,115.03

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Solution

The fourth proportional to 199,539.02, 275,465.43 and 154,115.03 is: 212,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,539.02 : 275,465.43 = 154,115.03 : x
  2. Step 2: Convert to fraction form
    199,539.02/275,465.43 = 154,115.03/x
  3. Step 3: Cross multiply
    199,539.02x = 275,465.43 × 154,115.03
  4. Step 4: Simplify right side
    199,539.02x = 42,453,363,008.41
  5. Step 5: Solve for x
    x = 42,453,363,008.41/199,539.02
  6. Step 6: Final answer
    x = 212,757.20

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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.