Home / 189,445.04-284,181.56-54,503.68

Finding the Fourth Proportional to 189,445.04, 284,181.56 and 54,503.68

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Solution

The fourth proportional to 189,445.04, 284,181.56 and 54,503.68 is: 81,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,445.04 : 284,181.56 = 54,503.68 : x
  2. Step 2: Convert to fraction form
    189,445.04/284,181.56 = 54,503.68/x
  3. Step 3: Cross multiply
    189,445.04x = 284,181.56 × 54,503.68
  4. Step 4: Simplify right side
    189,445.04x = 15,488,940,808.14
  5. Step 5: Solve for x
    x = 15,488,940,808.14/189,445.04
  6. Step 6: Final answer
    x = 81,759.55

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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.