Home / 75,460.02-113,189.61-19,300.04

Finding the Fourth Proportional to 75,460.02, 113,189.61 and 19,300.04

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Solution

The fourth proportional to 75,460.02, 113,189.61 and 19,300.04 is: 28,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.02 : 113,189.61 = 19,300.04 : x
  2. Step 2: Convert to fraction form
    75,460.02/113,189.61 = 19,300.04/x
  3. Step 3: Cross multiply
    75,460.02x = 113,189.61 × 19,300.04
  4. Step 4: Simplify right side
    75,460.02x = 2,184,564,000.58
  5. Step 5: Solve for x
    x = 2,184,564,000.58/75,460.02
  6. Step 6: Final answer
    x = 28,949.95

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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.