Home / 189,740.75-284,569.19-54,775.48

Finding the Fourth Proportional to 189,740.75, 284,569.19 and 54,775.48

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Solution

The fourth proportional to 189,740.75, 284,569.19 and 54,775.48 is: 82,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,740.75 : 284,569.19 = 54,775.48 : x
  2. Step 2: Convert to fraction form
    189,740.75/284,569.19 = 54,775.48/x
  3. Step 3: Cross multiply
    189,740.75x = 284,569.19 × 54,775.48
  4. Step 4: Simplify right side
    189,740.75x = 15,587,413,975.46
  5. Step 5: Solve for x
    x = 15,587,413,975.46/189,740.75
  6. Step 6: Final answer
    x = 82,151.11

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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.