Home / 189,748.05-284,621.78-49,506.68

Finding the Fourth Proportional to 189,748.05, 284,621.78 and 49,506.68

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Solution

The fourth proportional to 189,748.05, 284,621.78 and 49,506.68 is: 74,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,748.05 : 284,621.78 = 49,506.68 : x
  2. Step 2: Convert to fraction form
    189,748.05/284,621.78 = 49,506.68/x
  3. Step 3: Cross multiply
    189,748.05x = 284,621.78 × 49,506.68
  4. Step 4: Simplify right side
    189,748.05x = 14,090,677,712.85
  5. Step 5: Solve for x
    x = 14,090,677,712.85/189,748.05
  6. Step 6: Final answer
    x = 74,259.93

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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.