Home / 131,525.60-197,288.40-89,535.20

Finding the Fourth Proportional to 131,525.60, 197,288.40 and 89,535.20

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Solution

The fourth proportional to 131,525.60, 197,288.40 and 89,535.20 is: 134,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,525.60 : 197,288.40 = 89,535.20 : x
  2. Step 2: Convert to fraction form
    131,525.60/197,288.40 = 89,535.20/x
  3. Step 3: Cross multiply
    131,525.60x = 197,288.40 × 89,535.20
  4. Step 4: Simplify right side
    131,525.60x = 17,664,256,351.68
  5. Step 5: Solve for x
    x = 17,664,256,351.68/131,525.60
  6. Step 6: Final answer
    x = 134,302.80

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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.