Home / 131,441.40-197,291.70-64,956.60

Finding the Fourth Proportional to 131,441.40, 197,291.70 and 64,956.60

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Solution

The fourth proportional to 131,441.40, 197,291.70 and 64,956.60 is: 97,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,441.40 : 197,291.70 = 64,956.60 : x
  2. Step 2: Convert to fraction form
    131,441.40/197,291.70 = 64,956.60/x
  3. Step 3: Cross multiply
    131,441.40x = 197,291.70 × 64,956.60
  4. Step 4: Simplify right side
    131,441.40x = 12,815,398,040.22
  5. Step 5: Solve for x
    x = 12,815,398,040.22/131,441.40
  6. Step 6: Final answer
    x = 97,498.95

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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.