Home / 189,945.83-284,401.65-133,701.59

Finding the Fourth Proportional to 189,945.83, 284,401.65 and 133,701.59

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Solution

The fourth proportional to 189,945.83, 284,401.65 and 133,701.59 is: 200,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.83 : 284,401.65 = 133,701.59 : x
  2. Step 2: Convert to fraction form
    189,945.83/284,401.65 = 133,701.59/x
  3. Step 3: Cross multiply
    189,945.83x = 284,401.65 × 133,701.59
  4. Step 4: Simplify right side
    189,945.83x = 38,024,952,803.62
  5. Step 5: Solve for x
    x = 38,024,952,803.62/189,945.83
  6. Step 6: Final answer
    x = 200,188.41

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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.