Home / 162,131.69-223,732.46-90,516.29

Finding the Fourth Proportional to 162,131.69, 223,732.46 and 90,516.29

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Solution

The fourth proportional to 162,131.69, 223,732.46 and 90,516.29 is: 124,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.69 : 223,732.46 = 90,516.29 : x
  2. Step 2: Convert to fraction form
    162,131.69/223,732.46 = 90,516.29/x
  3. Step 3: Cross multiply
    162,131.69x = 223,732.46 × 90,516.29
  4. Step 4: Simplify right side
    162,131.69x = 20,251,431,339.40
  5. Step 5: Solve for x
    x = 20,251,431,339.40/162,131.69
  6. Step 6: Final answer
    x = 124,907.30

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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.