Home / 104,917.60-157,376.40-100,835.20

Finding the Fourth Proportional to 104,917.60, 157,376.40 and 100,835.20

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Solution

The fourth proportional to 104,917.60, 157,376.40 and 100,835.20 is: 151,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.60 : 157,376.40 = 100,835.20 : x
  2. Step 2: Convert to fraction form
    104,917.60/157,376.40 = 100,835.20/x
  3. Step 3: Cross multiply
    104,917.60x = 157,376.40 × 100,835.20
  4. Step 4: Simplify right side
    104,917.60x = 15,869,080,769.28
  5. Step 5: Solve for x
    x = 15,869,080,769.28/104,917.60
  6. Step 6: Final answer
    x = 151,252.80

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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.