Home / 97,380.12-134,390.85-54,937.74

Finding the Fourth Proportional to 97,380.12, 134,390.85 and 54,937.74

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Solution

The fourth proportional to 97,380.12, 134,390.85 and 54,937.74 is: 75,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,380.12 : 134,390.85 = 54,937.74 : x
  2. Step 2: Convert to fraction form
    97,380.12/134,390.85 = 54,937.74/x
  3. Step 3: Cross multiply
    97,380.12x = 134,390.85 × 54,937.74
  4. Step 4: Simplify right side
    97,380.12x = 7,383,129,575.68
  5. Step 5: Solve for x
    x = 7,383,129,575.68/97,380.12
  6. Step 6: Final answer
    x = 75,817.63

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1.5x scale

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.