Home / 113,416.60-156,532.08-68,119.48

Finding the Fourth Proportional to 113,416.60, 156,532.08 and 68,119.48

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Solution

The fourth proportional to 113,416.60, 156,532.08 and 68,119.48 is: 94,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.60 : 156,532.08 = 68,119.48 : x
  2. Step 2: Convert to fraction form
    113,416.60/156,532.08 = 68,119.48/x
  3. Step 3: Cross multiply
    113,416.60x = 156,532.08 × 68,119.48
  4. Step 4: Simplify right side
    113,416.60x = 10,662,883,892.92
  5. Step 5: Solve for x
    x = 10,662,883,892.92/113,416.60
  6. Step 6: Final answer
    x = 94,015.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.