Home / 136,931.55-205,408.16-48,204.96

Finding the Fourth Proportional to 136,931.55, 205,408.16 and 48,204.96

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Solution

The fourth proportional to 136,931.55, 205,408.16 and 48,204.96 is: 72,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,931.55 : 205,408.16 = 48,204.96 : x
  2. Step 2: Convert to fraction form
    136,931.55/205,408.16 = 48,204.96/x
  3. Step 3: Cross multiply
    136,931.55x = 205,408.16 × 48,204.96
  4. Step 4: Simplify right side
    136,931.55x = 9,901,691,895.45
  5. Step 5: Solve for x
    x = 9,901,691,895.45/136,931.55
  6. Step 6: Final answer
    x = 72,311.25

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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.