Home / 173,408.10-260,112.15-89,427.30

Finding the Fourth Proportional to 173,408.10, 260,112.15 and 89,427.30

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Solution

The fourth proportional to 173,408.10, 260,112.15 and 89,427.30 is: 134,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.10 : 260,112.15 = 89,427.30 : x
  2. Step 2: Convert to fraction form
    173,408.10/260,112.15 = 89,427.30/x
  3. Step 3: Cross multiply
    173,408.10x = 260,112.15 × 89,427.30
  4. Step 4: Simplify right side
    173,408.10x = 23,261,127,271.70
  5. Step 5: Solve for x
    x = 23,261,127,271.70/173,408.10
  6. Step 6: Final answer
    x = 134,140.95

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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.