Home / 189,946.83-284,403.15-133,702.59

Finding the Fourth Proportional to 189,946.83, 284,403.15 and 133,702.59

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Solution

The fourth proportional to 189,946.83, 284,403.15 and 133,702.59 is: 200,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,946.83 : 284,403.15 = 133,702.59 : x
  2. Step 2: Convert to fraction form
    189,946.83/284,403.15 = 133,702.59/x
  3. Step 3: Cross multiply
    189,946.83x = 284,403.15 × 133,702.59
  4. Step 4: Simplify right side
    189,946.83x = 38,025,437,759.16
  5. Step 5: Solve for x
    x = 38,025,437,759.16/189,946.83
  6. Step 6: Final answer
    x = 200,189.90

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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.