Home / 162,134.82-223,744.02-90,516.06

Finding the Fourth Proportional to 162,134.82, 223,744.02 and 90,516.06

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Solution

The fourth proportional to 162,134.82, 223,744.02 and 90,516.06 is: 124,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,134.82 : 223,744.02 = 90,516.06 : x
  2. Step 2: Convert to fraction form
    162,134.82/223,744.02 = 90,516.06/x
  3. Step 3: Cross multiply
    162,134.82x = 223,744.02 × 90,516.06
  4. Step 4: Simplify right side
    162,134.82x = 20,252,427,138.96
  5. Step 5: Solve for x
    x = 20,252,427,138.96/162,134.82
  6. Step 6: Final answer
    x = 124,911.03

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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.