Home / 104,521.60-156,782.40-102,793.60

Finding the Fourth Proportional to 104,521.60, 156,782.40 and 102,793.60

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Solution

The fourth proportional to 104,521.60, 156,782.40 and 102,793.60 is: 154,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.60 : 156,782.40 = 102,793.60 : x
  2. Step 2: Convert to fraction form
    104,521.60/156,782.40 = 102,793.60/x
  3. Step 3: Cross multiply
    104,521.60x = 156,782.40 × 102,793.60
  4. Step 4: Simplify right side
    104,521.60x = 16,116,227,312.64
  5. Step 5: Solve for x
    x = 16,116,227,312.64/104,521.60
  6. Step 6: Final answer
    x = 154,190.40

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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.