Home / 131,417.60-196,899.60-61,152.80

Finding the Fourth Proportional to 131,417.60, 196,899.60 and 61,152.80

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Solution

The fourth proportional to 131,417.60, 196,899.60 and 61,152.80 is: 91,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,417.60 : 196,899.60 = 61,152.80 : x
  2. Step 2: Convert to fraction form
    131,417.60/196,899.60 = 61,152.80/x
  3. Step 3: Cross multiply
    131,417.60x = 196,899.60 × 61,152.80
  4. Step 4: Simplify right side
    131,417.60x = 12,040,961,858.88
  5. Step 5: Solve for x
    x = 12,040,961,858.88/131,417.60
  6. Step 6: Final answer
    x = 91,623.66

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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.