Home / 162,278.24-223,916.60-90,658.85

Finding the Fourth Proportional to 162,278.24, 223,916.60 and 90,658.85

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Solution

The fourth proportional to 162,278.24, 223,916.60 and 90,658.85 is: 125,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,278.24 : 223,916.60 = 90,658.85 : x
  2. Step 2: Convert to fraction form
    162,278.24/223,916.60 = 90,658.85/x
  3. Step 3: Cross multiply
    162,278.24x = 223,916.60 × 90,658.85
  4. Step 4: Simplify right side
    162,278.24x = 20,300,020,558.97
  5. Step 5: Solve for x
    x = 20,300,020,558.97/162,278.24
  6. Step 6: Final answer
    x = 125,093.92

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1.5x scale

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.