Home / 191,727.70-287,591.55-162,203.20

Finding the Fourth Proportional to 191,727.70, 287,591.55 and 162,203.20

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Solution

The fourth proportional to 191,727.70, 287,591.55 and 162,203.20 is: 243,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727.70 : 287,591.55 = 162,203.20 : x
  2. Step 2: Convert to fraction form
    191,727.70/287,591.55 = 162,203.20/x
  3. Step 3: Cross multiply
    191,727.70x = 287,591.55 × 162,203.20
  4. Step 4: Simplify right side
    191,727.70x = 46,648,269,702.96
  5. Step 5: Solve for x
    x = 46,648,269,702.96/191,727.70
  6. Step 6: Final answer
    x = 243,304.80

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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.