Home / 90,445.24-135,591.30-34,254.38

Finding the Fourth Proportional to 90,445.24, 135,591.30 and 34,254.38

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Solution

The fourth proportional to 90,445.24, 135,591.30 and 34,254.38 is: 51,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,445.24 : 135,591.30 = 34,254.38 : x
  2. Step 2: Convert to fraction form
    90,445.24/135,591.30 = 34,254.38/x
  3. Step 3: Cross multiply
    90,445.24x = 135,591.30 × 34,254.38
  4. Step 4: Simplify right side
    90,445.24x = 4,644,595,914.89
  5. Step 5: Solve for x
    x = 4,644,595,914.89/90,445.24
  6. Step 6: Final answer
    x = 51,352.57

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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.