Home / 104,421.10-156,631.65-102,693.10

Finding the Fourth Proportional to 104,421.10, 156,631.65 and 102,693.10

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Solution

The fourth proportional to 104,421.10, 156,631.65 and 102,693.10 is: 154,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.10 : 156,631.65 = 102,693.10 : x
  2. Step 2: Convert to fraction form
    104,421.10/156,631.65 = 102,693.10/x
  3. Step 3: Cross multiply
    104,421.10x = 156,631.65 × 102,693.10
  4. Step 4: Simplify right side
    104,421.10x = 16,084,989,696.62
  5. Step 5: Solve for x
    x = 16,084,989,696.62/104,421.10
  6. Step 6: Final answer
    x = 154,039.65

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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.