Home / 133,063.60-199,433.40-58,025.20

Finding the Fourth Proportional to 133,063.60, 199,433.40 and 58,025.20

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Solution

The fourth proportional to 133,063.60, 199,433.40 and 58,025.20 is: 86,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,063.60 : 199,433.40 = 58,025.20 : x
  2. Step 2: Convert to fraction form
    133,063.60/199,433.40 = 58,025.20/x
  3. Step 3: Cross multiply
    133,063.60x = 199,433.40 × 58,025.20
  4. Step 4: Simplify right side
    133,063.60x = 11,572,162,921.68
  5. Step 5: Solve for x
    x = 11,572,162,921.68/133,063.60
  6. Step 6: Final answer
    x = 86,967.16

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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.