Home / 131,835.60-197,623.80-117,838.80

Finding the Fourth Proportional to 131,835.60, 197,623.80 and 117,838.80

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Solution

The fourth proportional to 131,835.60, 197,623.80 and 117,838.80 is: 176,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,835.60 : 197,623.80 = 117,838.80 : x
  2. Step 2: Convert to fraction form
    131,835.60/197,623.80 = 117,838.80/x
  3. Step 3: Cross multiply
    131,835.60x = 197,623.80 × 117,838.80
  4. Step 4: Simplify right side
    131,835.60x = 23,287,751,443.44
  5. Step 5: Solve for x
    x = 23,287,751,443.44/131,835.60
  6. Step 6: Final answer
    x = 176,642.36

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1.5x scale

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.