Home / 162,280.53-223,942.75-88,690.05

Finding the Fourth Proportional to 162,280.53, 223,942.75 and 88,690.05

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Solution

The fourth proportional to 162,280.53, 223,942.75 and 88,690.05 is: 122,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,280.53 : 223,942.75 = 88,690.05 : x
  2. Step 2: Convert to fraction form
    162,280.53/223,942.75 = 88,690.05/x
  3. Step 3: Cross multiply
    162,280.53x = 223,942.75 × 88,690.05
  4. Step 4: Simplify right side
    162,280.53x = 19,861,493,472.91
  5. Step 5: Solve for x
    x = 19,861,493,472.91/162,280.53
  6. Step 6: Final answer
    x = 122,389.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.